diff --git a/packages/opencensus-core/src/exporters/console-exporter.ts b/packages/opencensus-core/src/exporters/console-exporter.ts
index fc4d7009c..9da641a35 100644
--- a/packages/opencensus-core/src/exporters/console-exporter.ts
+++ b/packages/opencensus-core/src/exporters/console-exporter.ts
@@ -67,9 +67,7 @@ export class ConsoleExporter implements Exporter {
    */
   publish(spans: modelTypes.Span[]) {
     spans.map(span => {
-      const ROOT_STR = `RootSpan: {traceId: ${span.traceId}, spanId: ${
-        span.id
-      }, name: ${span.name} }`;
+      const ROOT_STR = `RootSpan: {traceId: ${span.traceId}, spanId: ${span.id}, name: ${span.name} }`;
       const SPANS_STR: string[] = span.spans.map(child =>
         [`\t\t{spanId: ${child.id}, name: ${child.name}}`].join('\n')
       );
diff --git a/packages/opencensus-core/test/test-recorder.ts b/packages/opencensus-core/test/test-recorder.ts
index a078c5d74..c0db78388 100644
--- a/packages/opencensus-core/test/test-recorder.ts
+++ b/packages/opencensus-core/test/test-recorder.ts
@@ -98,9 +98,7 @@ describe('Recorder', () => {
   for (const measure of measures) {
     describe(`for count aggregation data of ${measure.type} values`, () => {
       for (const testCase of testCases) {
-        it(`should record measurements ${
-          testCase.description
-        } correctly`, () => {
+        it(`should record measurements ${testCase.description} correctly`, () => {
           const countData: CountData = {
             type: AggregationType.COUNT,
             tagValues,
@@ -122,13 +120,9 @@ describe('Recorder', () => {
       }
     });
 
-    describe(`for last value aggregation data of ${
-      measure.type
-    } values`, () => {
+    describe(`for last value aggregation data of ${measure.type} values`, () => {
       for (const testCase of testCases) {
-        it(`should record measurements ${
-          testCase.description
-        } correctly`, () => {
+        it(`should record measurements ${testCase.description} correctly`, () => {
           const lastValueData: LastValueData = {
             type: AggregationType.LAST_VALUE,
             tagValues,
@@ -152,9 +146,7 @@ describe('Recorder', () => {
 
     describe(`for sum aggregation data of ${measure.type} values`, () => {
       for (const testCase of testCases) {
-        it(`should record measurements ${
-          testCase.description
-        } correctly`, () => {
+        it(`should record measurements ${testCase.description} correctly`, () => {
           const sumData: SumData = {
             type: AggregationType.SUM,
             tagValues,
@@ -177,13 +169,9 @@ describe('Recorder', () => {
       }
     });
 
-    describe(`for distribution aggregation data of ${
-      measure.type
-    } values`, () => {
+    describe(`for distribution aggregation data of ${measure.type} values`, () => {
       for (const testCase of testCases) {
-        it(`should record measurements ${
-          testCase.description
-        } correctly`, () => {
+        it(`should record measurements ${testCase.description} correctly`, () => {
           const distributionData: DistributionData = {
             type: AggregationType.DISTRIBUTION,
             tagValues,
diff --git a/packages/opencensus-core/test/test-view.ts b/packages/opencensus-core/test/test-view.ts
index bb982ba3c..c62f5a2b6 100644
--- a/packages/opencensus-core/test/test-view.ts
+++ b/packages/opencensus-core/test/test-view.ts
@@ -189,9 +189,7 @@ describe('BaseView', () => {
     tags.set(tagKey2, tagValue2);
 
     for (const aggregationTestCase of aggregationTestCases) {
-      it(`should record measurements on a View with ${
-        aggregationTestCase.description
-      } Aggregation Data type`, () => {
+      it(`should record measurements on a View with ${aggregationTestCase.description} Aggregation Data type`, () => {
         const view = new BaseView(
           'test/view/name',
           measure,
@@ -308,9 +306,7 @@ describe('BaseView', () => {
 
       const { descriptor, timeseries } = view.getMetric(mockStartTime);
 
-      describe(`Aggregation type: ${
-        aggregationTestCase.aggregationType
-      }`, () => {
+      describe(`Aggregation type: ${aggregationTestCase.aggregationType}`, () => {
         it('should have descriptor', () => {
           assert.ok(descriptor);
           assert.deepStrictEqual(descriptor, {
diff --git a/packages/opencensus-exporter-jaeger/src/jaeger-driver/index.ts b/packages/opencensus-exporter-jaeger/src/jaeger-driver/index.ts
index fbc26a04a..f836be118 100644
--- a/packages/opencensus-exporter-jaeger/src/jaeger-driver/index.ts
+++ b/packages/opencensus-exporter-jaeger/src/jaeger-driver/index.ts
@@ -125,9 +125,9 @@ export function spanToThrift(span: Span): ThriftSpan {
     ? Utils.encodeInt64(span.parentSpanId)
     : ThriftUtils.emptyBuffer;
 
-  const traceId = `00000000000000000000000000000000${
-    span.spanContext.traceId
-  }`.slice(-32);
+  const traceId = `00000000000000000000000000000000${span.spanContext.traceId}`.slice(
+    -32
+  );
 
   const high = traceId.slice(0, 16);
   const low = traceId.slice(16);
@@ -151,20 +151,18 @@ export function spanToThrift(span: Span): ThriftSpan {
 
 function getThriftReference(links: Link[]): ThriftReference[] {
   return links
-    .map(
-      (link): ThriftReference | null => {
-        const refType = getThriftType(link.type);
-        if (!refType) return null;
-
-        const traceId = `00000000000000000000000000000000${link.traceId}`.slice(
-          -32
-        );
-        const traceIdHigh = Utils.encodeInt64(traceId.slice(0, 16));
-        const traceIdLow = Utils.encodeInt64(traceId.slice(16));
-        const spanId = Utils.encodeInt64(link.spanId);
-        return { traceIdLow, traceIdHigh, spanId, refType };
-      }
-    )
+    .map((link): ThriftReference | null => {
+      const refType = getThriftType(link.type);
+      if (!refType) return null;
+
+      const traceId = `00000000000000000000000000000000${link.traceId}`.slice(
+        -32
+      );
+      const traceIdHigh = Utils.encodeInt64(traceId.slice(0, 16));
+      const traceIdLow = Utils.encodeInt64(traceId.slice(16));
+      const spanId = Utils.encodeInt64(link.spanId);
+      return { traceIdLow, traceIdHigh, spanId, refType };
+    })
     .filter(ref => !!ref) as ThriftReference[];
 }
 
diff --git a/packages/opencensus-exporter-prometheus/src/prometheus-stats.ts b/packages/opencensus-exporter-prometheus/src/prometheus-stats.ts
index 5f1d5df1b..b74a8c9b1 100644
--- a/packages/opencensus-exporter-prometheus/src/prometheus-stats.ts
+++ b/packages/opencensus-exporter-prometheus/src/prometheus-stats.ts
@@ -251,9 +251,7 @@ export class PrometheusStatsExporter implements StatsEventListener {
     labels.forEach(label => {
       if (label === PrometheusStatsExporter.RESERVED_HISTOGRAM_LABEL) {
         throw new Error(
-          `${
-            PrometheusStatsExporter.RESERVED_HISTOGRAM_LABEL
-          } is a reserved label keyword`
+          `${PrometheusStatsExporter.RESERVED_HISTOGRAM_LABEL} is a reserved label keyword`
         );
       }
     });
diff --git a/packages/opencensus-instrumentation-grpc/src/grpc.ts b/packages/opencensus-instrumentation-grpc/src/grpc.ts
index ba312c109..c645692f2 100644
--- a/packages/opencensus-instrumentation-grpc/src/grpc.ts
+++ b/packages/opencensus-instrumentation-grpc/src/grpc.ts
@@ -425,9 +425,12 @@ export class GrpcPlugin extends BasePlugin {
             name: traceOptions.name,
             kind: traceOptions.kind,
           });
-          return plugin.makeGrpcClientRemoteCall(original, args, this, plugin)(
-            span
-          );
+          return plugin.makeGrpcClientRemoteCall(
+            original,
+            args,
+            this,
+            plugin
+          )(span);
         }
       };
     };
diff --git a/packages/opencensus-instrumentation-grpc/test/test-grpc.ts b/packages/opencensus-instrumentation-grpc/test/test-grpc.ts
index 3da9ff414..94acb422b 100644
--- a/packages/opencensus-instrumentation-grpc/test/test-grpc.ts
+++ b/packages/opencensus-instrumentation-grpc/test/test-grpc.ts
@@ -481,12 +481,8 @@ describe('GrpcPlugin() ', function() {
   }
 
   methodList.map(method => {
-    describe(`Test automatic tracing for grpc remote method ${
-      method.description
-    }`, () => {
-      it(`should create a rootSpan for client and for server - ${
-        method.description
-      }`, async () => {
+    describe(`Test automatic tracing for grpc remote method ${method.description}`, () => {
+      it(`should create a rootSpan for client and for server - ${method.description}`, async () => {
         assert.strictEqual(rootSpanVerifier.endedRootSpans.length, 0);
         const spanName = `grpc.pkg_test.GrpcTester/${method.methodName}`;
         const args = [client, method.request];
@@ -518,9 +514,7 @@ describe('GrpcPlugin() ', function() {
           });
       });
 
-      it(`should create a rootSpan for client and for server with tag context- ${
-        method.description
-      }`, () => {
+      it(`should create a rootSpan for client and for server with tag context- ${method.description}`, () => {
         assert.strictEqual(rootSpanVerifier.endedRootSpans.length, 0);
         const spanName = `grpc.pkg_test.GrpcTester/${method.methodName}`;
         const args = [client, method.request];
@@ -559,9 +553,7 @@ describe('GrpcPlugin() ', function() {
         });
       });
 
-      it(`should create a childSpan for client and rootSpan for server -  ${
-        method.description
-      }`, () => {
+      it(`should create a childSpan for client and rootSpan for server -  ${method.description}`, () => {
         assert.strictEqual(rootSpanVerifier.endedRootSpans.length, 0);
         const options = { name: 'TestRootSpan' };
         const spanName = `grpc.pkg_test.GrpcTester/${method.methodName}`;
@@ -598,9 +590,7 @@ describe('GrpcPlugin() ', function() {
         });
       });
 
-      it(`should create a childSpan for client and rootSpan for server with tag context -  ${
-        method.description
-      }`, () => {
+      it(`should create a childSpan for client and rootSpan for server with tag context -  ${method.description}`, () => {
         assert.strictEqual(rootSpanVerifier.endedRootSpans.length, 0);
         const options = { name: 'TestRootSpan' };
         const spanName = `grpc.pkg_test.GrpcTester/${method.methodName}`;
@@ -661,9 +651,7 @@ describe('GrpcPlugin() ', function() {
         // tslint:disable-next-line:no-any
         const errorCode = Number(grpcModule.status[key as any]);
         if (errorCode > grpcModule.status.OK) {
-          it(`should raise an error for client/server rootSpans - ${
-            method.description
-          } - status = ${key}`, async () => {
+          it(`should raise an error for client/server rootSpans - ${method.description} - status = ${key}`, async () => {
             assert.strictEqual(rootSpanVerifier.endedRootSpans.length, 0);
             const spanName = `grpc.pkg_test.GrpcTester/${method.methodName}`;
             const errRequest =
@@ -685,9 +673,7 @@ describe('GrpcPlugin() ', function() {
               });
           });
 
-          it(`should raise an error for client childSpan/server rootSpan - ${
-            method.description
-          } - status = ${key}`, () => {
+          it(`should raise an error for client childSpan/server rootSpan - ${method.description} - status = ${key}`, () => {
             assert.strictEqual(rootSpanVerifier.endedRootSpans.length, 0);
             const options = { name: 'TestRootSpan' };
             const spanName = `grpc.pkg_test.GrpcTester/${method.methodName}`;
diff --git a/packages/opencensus-instrumentation-http/src/http.ts b/packages/opencensus-instrumentation-http/src/http.ts
index d4db57335..2df7bab37 100644
--- a/packages/opencensus-instrumentation-http/src/http.ts
+++ b/packages/opencensus-instrumentation-http/src/http.ts
@@ -422,9 +422,11 @@ export class HttpPlugin extends BasePlugin {
             name: traceOptions.name,
             kind: traceOptions.kind,
           });
-          return plugin.getMakeRequestTraceFunction(request, options, plugin)(
-            span
-          );
+          return plugin.getMakeRequestTraceFunction(
+            request,
+            options,
+            plugin
+          )(span);
         }
       };
     };
diff --git a/packages/opencensus-instrumentation-http/test/test-http.ts b/packages/opencensus-instrumentation-http/test/test-http.ts
index ac8ad3855..4cbb666ea 100644
--- a/packages/opencensus-instrumentation-http/test/test-http.ts
+++ b/packages/opencensus-instrumentation-http/test/test-http.ts
@@ -309,9 +309,7 @@ describe('HttpPlugin', () => {
     const httpErrorCodes = [400, 401, 403, 404, 429, 501, 503, 504, 500];
 
     for (let i = 0; i < httpErrorCodes.length; i++) {
-      it(`should test rootSpan for GET requests with http error ${
-        httpErrorCodes[i]
-      }`, async () => {
+      it(`should test rootSpan for GET requests with http error ${httpErrorCodes[i]}`, async () => {
         const testPath = '/outgoing/rootSpan/1';
         doNock(
           urlHost,
@@ -358,9 +356,7 @@ describe('HttpPlugin', () => {
     });
 
     for (let i = 0; i < httpErrorCodes.length; i++) {
-      it(`should test a child spans for GET requests with http error ${
-        httpErrorCodes[i]
-      }`, () => {
+      it(`should test a child spans for GET requests with http error ${httpErrorCodes[i]}`, () => {
         const testPath = '/outgoing/rootSpan/childs/1';
         doNock(
           urlHost,
diff --git a/packages/opencensus-instrumentation-https/test/test-https.ts b/packages/opencensus-instrumentation-https/test/test-https.ts
index d644f0968..9433fcb0b 100644
--- a/packages/opencensus-instrumentation-https/test/test-https.ts
+++ b/packages/opencensus-instrumentation-https/test/test-https.ts
@@ -251,9 +251,7 @@ describe('HttpsPlugin', () => {
         const httpErrorCodes = [400, 401, 403, 404, 429, 501, 503, 504, 500];
 
         for (let i = 0; i < httpErrorCodes.length; i++) {
-          it(`should test rootSpan for GET requests with http error ${
-            httpErrorCodes[i]
-          }`, async () => {
+          it(`should test rootSpan for GET requests with http error ${httpErrorCodes[i]}`, async () => {
             const testPath = '/outgoing/rootSpan/1';
             doNock(
               urlHost,
@@ -311,9 +309,7 @@ describe('HttpsPlugin', () => {
         });
 
         for (let i = 0; i < httpErrorCodes.length; i++) {
-          it(`should test a child spans for GET requests with http error ${
-            httpErrorCodes[i]
-          }`, () => {
+          it(`should test a child spans for GET requests with http error ${httpErrorCodes[i]}`, () => {
             const testPath = '/outgoing/rootSpan/childs/1';
             doNock(
               urlHost,
diff --git a/packages/opencensus-instrumentation-mongodb/package-lock.json b/packages/opencensus-instrumentation-mongodb/package-lock.json
index d2c4c5130..c15b64605 100644
--- a/packages/opencensus-instrumentation-mongodb/package-lock.json
+++ b/packages/opencensus-instrumentation-mongodb/package-lock.json
@@ -6,15 +6,14 @@
 	"packages": {
 		"": {
 			"dependencies": {
-				"@types/bson": "1.0.11",
 				"@types/mocha": "7.0.2",
-				"@types/mongodb": "3.6.20",
+				"@types/mongodb": "3.0.19",
 				"@types/node": "10.17.60",
 				"@types/shimmer": "1.0.2",
 				"codecov": "3.8.3",
 				"gts": "1.1.2",
 				"mocha": "7.2.0",
-				"mongodb": "3.6.10",
+				"mongodb": "3.1.10",
 				"nyc": "14.1.1",
 				"rimraf": "3.0.2",
 				"shimmer": "^1.2.0",
@@ -233,6 +232,11 @@
 				"@types/node": "*"
 			}
 		},
+		"node_modules/@types/events": {
+			"version": "3.0.0",
+			"resolved": "https://registry.npmjs.org/@types/events/-/events-3.0.0.tgz",
+			"integrity": "sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g=="
+		},
 		"node_modules/@types/json5": {
 			"version": "0.0.29",
 			"resolved": "https://registry.npmjs.org/@types/json5/-/json5-0.0.29.tgz",
@@ -245,11 +249,12 @@
 			"integrity": "sha512-ZvO2tAcjmMi8V/5Z3JsyofMe3hasRcaw88cto5etSVMwVQfeivGAlEYmaQgceUSVYFofVjT+ioHsATjdWcFt1w=="
 		},
 		"node_modules/@types/mongodb": {
-			"version": "3.6.20",
-			"resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.6.20.tgz",
-			"integrity": "sha512-WcdpPJCakFzcWWD9juKoZbRtQxKIMYF/JIAM4JrNHrMcnJL6/a2NWjXxW7fo9hxboxxkg+icff8d7+WIEvKgYQ==",
+			"version": "3.0.19",
+			"resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.0.19.tgz",
+			"integrity": "sha512-KK30PZmGuCqSJQgb3tozzjy5hpQswMsAuqkO+T8vCUh9bSz1sZGx1nAOu79IzVNh2vBy1Xj46vk4A0PUHN5yBg==",
 			"dependencies": {
 				"@types/bson": "*",
+				"@types/events": "*",
 				"@types/node": "*"
 			}
 		},
@@ -435,15 +440,6 @@
 				"node": ">=8"
 			}
 		},
-		"node_modules/bl": {
-			"version": "2.2.1",
-			"resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
-			"integrity": "sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==",
-			"dependencies": {
-				"readable-stream": "^2.3.5",
-				"safe-buffer": "^5.1.1"
-			}
-		},
 		"node_modules/boxen": {
 			"version": "3.2.0",
 			"resolved": "https://registry.npmjs.org/boxen/-/boxen-3.2.0.tgz",
@@ -833,11 +829,6 @@
 				"safe-buffer": "~5.1.1"
 			}
 		},
-		"node_modules/core-util-is": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-			"integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
-		},
 		"node_modules/cp-file": {
 			"version": "6.2.0",
 			"resolved": "https://registry.npmjs.org/cp-file/-/cp-file-6.2.0.tgz",
@@ -964,14 +955,6 @@
 				"node": ">= 0.4"
 			}
 		},
-		"node_modules/denque": {
-			"version": "1.5.0",
-			"resolved": "https://registry.npmjs.org/denque/-/denque-1.5.0.tgz",
-			"integrity": "sha512-CYiCSgIF1p6EUByQPlGkKnP1M9g0ZV3qMIrqMqZqdwazygIA/YP2vrbcyl1h/WppKJTdl1F85cXIle+394iDAQ==",
-			"engines": {
-				"node": ">=0.10"
-			}
-		},
 		"node_modules/diff": {
 			"version": "3.5.0",
 			"resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
@@ -1924,11 +1907,6 @@
 			"resolved": "https://registry.npmjs.org/is-yarn-global/-/is-yarn-global-0.3.0.tgz",
 			"integrity": "sha512-VjSeb/lHmkoyd8ryPVIKvOCn4D1koMqY+vqyjjUfc3xyKtP4dYOxM44sZrnqQSzSds3xyOrUTLTC9LVCVgLngw=="
 		},
-		"node_modules/isarray": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-			"integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
-		},
 		"node_modules/isexe": {
 			"version": "2.0.0",
 			"resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
@@ -2447,42 +2425,30 @@
 			}
 		},
 		"node_modules/mongodb": {
-			"version": "3.6.10",
-			"resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.10.tgz",
-			"integrity": "sha512-fvIBQBF7KwCJnDZUnFFy4WqEFP8ibdXeFANnylW19+vOwdjOAvqIzPdsNCEMT6VKTHnYu4K64AWRih0mkFms6Q==",
-			"dependencies": {
-				"bl": "^2.2.1",
-				"bson": "^1.1.4",
-				"denque": "^1.4.1",
-				"optional-require": "^1.0.3",
-				"safe-buffer": "^5.1.2",
-				"saslprep": "^1.0.0"
+			"version": "3.1.10",
+			"resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.1.10.tgz",
+			"integrity": "sha512-Uml42GeFxhTGQVml1XQ4cD0o/rp7J2ROy0fdYUcVitoE7vFqEhKH4TYVqRDpQr/bXtCJVxJdNQC1ntRxNREkPQ==",
+			"license": "Apache-2.0",
+			"dependencies": {
+				"mongodb-core": "3.1.9",
+				"safe-buffer": "^5.1.2"
 			},
 			"engines": {
 				"node": ">=4"
+			}
+		},
+		"node_modules/mongodb-core": {
+			"version": "3.1.9",
+			"resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-3.1.9.tgz",
+			"integrity": "sha512-MJpciDABXMchrZphh3vMcqu8hkNf/Mi+Gk6btOimVg1XMxLXh87j6FAvRm+KmwD1A9fpu3qRQYcbQe4egj23og==",
+			"dependencies": {
+				"bson": "^1.1.0",
+				"require_optional": "^1.0.1",
+				"safe-buffer": "^5.1.2",
+				"saslprep": "^1.0.0"
 			},
 			"optionalDependencies": {
 				"saslprep": "^1.0.0"
-			},
-			"peerDependenciesMeta": {
-				"aws4": {
-					"optional": true
-				},
-				"bson-ext": {
-					"optional": true
-				},
-				"kerberos": {
-					"optional": true
-				},
-				"mongodb-client-encryption": {
-					"optional": true
-				},
-				"mongodb-extjson": {
-					"optional": true
-				},
-				"snappy": {
-					"optional": true
-				}
 			}
 		},
 		"node_modules/ms": {
@@ -2759,14 +2725,6 @@
 				"node": ">=6"
 			}
 		},
-		"node_modules/optional-require": {
-			"version": "1.0.3",
-			"resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.0.3.tgz",
-			"integrity": "sha512-RV2Zp2MY2aeYK5G+B/Sps8lW5NHAzE5QClbFP15j+PWmP+T9PxlJXBOOLoSAdgwFvS4t0aMR4vpedMkbHfh0nA==",
-			"engines": {
-				"node": ">=4"
-			}
-		},
 		"node_modules/os-homedir": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
@@ -3029,11 +2987,6 @@
 				"node": ">=4"
 			}
 		},
-		"node_modules/process-nextick-args": {
-			"version": "2.0.1",
-			"resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
-			"integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
-		},
 		"node_modules/pseudomap": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
@@ -3100,20 +3053,6 @@
 				"node": ">=4"
 			}
 		},
-		"node_modules/readable-stream": {
-			"version": "2.3.7",
-			"resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
-			"integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
-			"dependencies": {
-				"core-util-is": "~1.0.0",
-				"inherits": "~2.0.3",
-				"isarray": "~1.0.0",
-				"process-nextick-args": "~2.0.0",
-				"safe-buffer": "~5.1.1",
-				"string_decoder": "~1.1.1",
-				"util-deprecate": "~1.0.1"
-			}
-		},
 		"node_modules/readdirp": {
 			"version": "3.2.0",
 			"resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.2.0.tgz",
@@ -3170,6 +3109,15 @@
 				"node": ">=4"
 			}
 		},
+		"node_modules/require_optional": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/require_optional/-/require_optional-1.0.1.tgz",
+			"integrity": "sha512-qhM/y57enGWHAe3v/NcwML6a3/vfESLe/sGM2dII+gEO0BpKRUkWZow/tyloNqJyN6kXSl3RyyM8Ll5D/sJP8g==",
+			"dependencies": {
+				"resolve-from": "^2.0.0",
+				"semver": "^5.1.0"
+			}
+		},
 		"node_modules/require-directory": {
 			"version": "2.1.1",
 			"resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -3191,6 +3139,14 @@
 				"path-parse": "^1.0.6"
 			}
 		},
+		"node_modules/resolve-from": {
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-2.0.0.tgz",
+			"integrity": "sha1-lICrIOlP+h2egKgEx+oUdhGWa1c=",
+			"engines": {
+				"node": ">=0.10.0"
+			}
+		},
 		"node_modules/responselike": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/responselike/-/responselike-1.0.2.tgz",
@@ -3410,14 +3366,6 @@
 				"stubs": "^3.0.0"
 			}
 		},
-		"node_modules/string_decoder": {
-			"version": "1.1.1",
-			"resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-			"integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-			"dependencies": {
-				"safe-buffer": "~5.1.0"
-			}
-		},
 		"node_modules/string-width": {
 			"version": "2.1.1",
 			"resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -3923,11 +3871,6 @@
 				"fast-url-parser": "^1.1.3"
 			}
 		},
-		"node_modules/util-deprecate": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-			"integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
-		},
 		"node_modules/uuid": {
 			"version": "3.3.2",
 			"resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
@@ -4323,6 +4266,11 @@
 				"@types/node": "*"
 			}
 		},
+		"@types/events": {
+			"version": "3.0.0",
+			"resolved": "https://registry.npmjs.org/@types/events/-/events-3.0.0.tgz",
+			"integrity": "sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g=="
+		},
 		"@types/json5": {
 			"version": "0.0.29",
 			"resolved": "https://registry.npmjs.org/@types/json5/-/json5-0.0.29.tgz",
@@ -4335,11 +4283,12 @@
 			"integrity": "sha512-ZvO2tAcjmMi8V/5Z3JsyofMe3hasRcaw88cto5etSVMwVQfeivGAlEYmaQgceUSVYFofVjT+ioHsATjdWcFt1w=="
 		},
 		"@types/mongodb": {
-			"version": "3.6.20",
-			"resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.6.20.tgz",
-			"integrity": "sha512-WcdpPJCakFzcWWD9juKoZbRtQxKIMYF/JIAM4JrNHrMcnJL6/a2NWjXxW7fo9hxboxxkg+icff8d7+WIEvKgYQ==",
+			"version": "3.0.19",
+			"resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.0.19.tgz",
+			"integrity": "sha512-KK30PZmGuCqSJQgb3tozzjy5hpQswMsAuqkO+T8vCUh9bSz1sZGx1nAOu79IzVNh2vBy1Xj46vk4A0PUHN5yBg==",
 			"requires": {
 				"@types/bson": "*",
+				"@types/events": "*",
 				"@types/node": "*"
 			}
 		},
@@ -4482,15 +4431,6 @@
 			"resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.0.0.tgz",
 			"integrity": "sha512-Phlt0plgpIIBOGTT/ehfFnbNlfsDEiqmzE2KRXoX1bLIlir4X/MR+zSyBEkL05ffWgnRSf/DXv+WrUAVr93/ow=="
 		},
-		"bl": {
-			"version": "2.2.1",
-			"resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
-			"integrity": "sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==",
-			"requires": {
-				"readable-stream": "^2.3.5",
-				"safe-buffer": "^5.1.1"
-			}
-		},
 		"boxen": {
 			"version": "3.2.0",
 			"resolved": "https://registry.npmjs.org/boxen/-/boxen-3.2.0.tgz",
@@ -4805,11 +4745,6 @@
 				"safe-buffer": "~5.1.1"
 			}
 		},
-		"core-util-is": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-			"integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
-		},
 		"cp-file": {
 			"version": "6.2.0",
 			"resolved": "https://registry.npmjs.org/cp-file/-/cp-file-6.2.0.tgz",
@@ -4908,11 +4843,6 @@
 				"object-keys": "^1.0.12"
 			}
 		},
-		"denque": {
-			"version": "1.5.0",
-			"resolved": "https://registry.npmjs.org/denque/-/denque-1.5.0.tgz",
-			"integrity": "sha512-CYiCSgIF1p6EUByQPlGkKnP1M9g0ZV3qMIrqMqZqdwazygIA/YP2vrbcyl1h/WppKJTdl1F85cXIle+394iDAQ=="
-		},
 		"diff": {
 			"version": "3.5.0",
 			"resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
@@ -5623,11 +5553,6 @@
 			"resolved": "https://registry.npmjs.org/is-yarn-global/-/is-yarn-global-0.3.0.tgz",
 			"integrity": "sha512-VjSeb/lHmkoyd8ryPVIKvOCn4D1koMqY+vqyjjUfc3xyKtP4dYOxM44sZrnqQSzSds3xyOrUTLTC9LVCVgLngw=="
 		},
-		"isarray": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-			"integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
-		},
 		"isexe": {
 			"version": "2.0.0",
 			"resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
@@ -6035,14 +5960,21 @@
 			}
 		},
 		"mongodb": {
-			"version": "3.6.10",
-			"resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.10.tgz",
-			"integrity": "sha512-fvIBQBF7KwCJnDZUnFFy4WqEFP8ibdXeFANnylW19+vOwdjOAvqIzPdsNCEMT6VKTHnYu4K64AWRih0mkFms6Q==",
-			"requires": {
-				"bl": "^2.2.1",
-				"bson": "^1.1.4",
-				"denque": "^1.4.1",
-				"optional-require": "^1.0.3",
+			"version": "3.1.10",
+			"resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.1.10.tgz",
+			"integrity": "sha512-Uml42GeFxhTGQVml1XQ4cD0o/rp7J2ROy0fdYUcVitoE7vFqEhKH4TYVqRDpQr/bXtCJVxJdNQC1ntRxNREkPQ==",
+			"requires": {
+				"mongodb-core": "3.1.9",
+				"safe-buffer": "^5.1.2"
+			}
+		},
+		"mongodb-core": {
+			"version": "3.1.9",
+			"resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-3.1.9.tgz",
+			"integrity": "sha512-MJpciDABXMchrZphh3vMcqu8hkNf/Mi+Gk6btOimVg1XMxLXh87j6FAvRm+KmwD1A9fpu3qRQYcbQe4egj23og==",
+			"requires": {
+				"bson": "^1.1.0",
+				"require_optional": "^1.0.1",
 				"safe-buffer": "^5.1.2",
 				"saslprep": "^1.0.0"
 			}
@@ -6262,11 +6194,6 @@
 				}
 			}
 		},
-		"optional-require": {
-			"version": "1.0.3",
-			"resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.0.3.tgz",
-			"integrity": "sha512-RV2Zp2MY2aeYK5G+B/Sps8lW5NHAzE5QClbFP15j+PWmP+T9PxlJXBOOLoSAdgwFvS4t0aMR4vpedMkbHfh0nA=="
-		},
 		"os-homedir": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
@@ -6454,11 +6381,6 @@
 			"resolved": "https://registry.npmjs.org/prettier/-/prettier-1.19.1.tgz",
 			"integrity": "sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew=="
 		},
-		"process-nextick-args": {
-			"version": "2.0.1",
-			"resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
-			"integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
-		},
 		"pseudomap": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
@@ -6513,20 +6435,6 @@
 				"read-pkg": "^3.0.0"
 			}
 		},
-		"readable-stream": {
-			"version": "2.3.7",
-			"resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
-			"integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
-			"requires": {
-				"core-util-is": "~1.0.0",
-				"inherits": "~2.0.3",
-				"isarray": "~1.0.0",
-				"process-nextick-args": "~2.0.0",
-				"safe-buffer": "~5.1.1",
-				"string_decoder": "~1.1.1",
-				"util-deprecate": "~1.0.1"
-			}
-		},
 		"readdirp": {
 			"version": "3.2.0",
 			"resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.2.0.tgz",
@@ -6568,6 +6476,15 @@
 				"es6-error": "^4.0.1"
 			}
 		},
+		"require_optional": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/require_optional/-/require_optional-1.0.1.tgz",
+			"integrity": "sha512-qhM/y57enGWHAe3v/NcwML6a3/vfESLe/sGM2dII+gEO0BpKRUkWZow/tyloNqJyN6kXSl3RyyM8Ll5D/sJP8g==",
+			"requires": {
+				"resolve-from": "^2.0.0",
+				"semver": "^5.1.0"
+			}
+		},
 		"require-directory": {
 			"version": "2.1.1",
 			"resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -6586,6 +6503,11 @@
 				"path-parse": "^1.0.6"
 			}
 		},
+		"resolve-from": {
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-2.0.0.tgz",
+			"integrity": "sha1-lICrIOlP+h2egKgEx+oUdhGWa1c="
+		},
 		"responselike": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/responselike/-/responselike-1.0.2.tgz",
@@ -6771,14 +6693,6 @@
 				"stubs": "^3.0.0"
 			}
 		},
-		"string_decoder": {
-			"version": "1.1.1",
-			"resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-			"integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-			"requires": {
-				"safe-buffer": "~5.1.0"
-			}
-		},
 		"string-width": {
 			"version": "2.1.1",
 			"resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -7148,11 +7062,6 @@
 				"fast-url-parser": "^1.1.3"
 			}
 		},
-		"util-deprecate": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-			"integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
-		},
 		"uuid": {
 			"version": "3.3.2",
 			"resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
diff --git a/packages/opencensus-instrumentation-mongodb/package.json b/packages/opencensus-instrumentation-mongodb/package.json
index 27367be3a..27d94e6e1 100644
--- a/packages/opencensus-instrumentation-mongodb/package.json
+++ b/packages/opencensus-instrumentation-mongodb/package.json
@@ -49,15 +49,14 @@
     "access": "public"
   },
   "devDependencies": {
-    "@types/bson": "1.0.11",
     "@types/mocha": "7.0.2",
-    "@types/mongodb": "3.6.20",
+    "@types/mongodb": "3.0.19",
     "@types/node": "10.17.60",
     "@types/shimmer": "1.0.2",
     "codecov": "3.8.3",
     "gts": "1.1.2",
     "mocha": "7.2.0",
-    "mongodb": "3.6.10",
+    "mongodb": "3.1.10",
     "nyc": "14.1.1",
     "rimraf": "3.0.2",
     "ts-mocha": "7.0.0",
diff --git a/packages/opencensus-nodejs-base/src/trace/instrumentation/plugin-loader.ts b/packages/opencensus-nodejs-base/src/trace/instrumentation/plugin-loader.ts
index 1005d952f..9deabf052 100644
--- a/packages/opencensus-nodejs-base/src/trace/instrumentation/plugin-loader.ts
+++ b/packages/opencensus-nodejs-base/src/trace/instrumentation/plugin-loader.ts
@@ -70,9 +70,7 @@ export class PluginLoader {
    * @returns The default name for that package.
    */
   private static defaultPackageName(moduleName: string): string {
-    return `${Constants.OPENCENSUS_SCOPE}/${
-      Constants.DEFAULT_PLUGIN_PACKAGE_NAME_PREFIX
-    }-${moduleName}`;
+    return `${Constants.OPENCENSUS_SCOPE}/${Constants.DEFAULT_PLUGIN_PACKAGE_NAME_PREFIX}-${moduleName}`;
   }
 
   /**
diff --git a/packages/opencensus-nodejs-base/test/test-plugin-loader.ts b/packages/opencensus-nodejs-base/test/test-plugin-loader.ts
index 2681137b4..0ff5be74b 100644
--- a/packages/opencensus-nodejs-base/test/test-plugin-loader.ts
+++ b/packages/opencensus-nodejs-base/test/test-plugin-loader.ts
@@ -57,15 +57,11 @@ describe('Plugin Loader', () => {
         assert.ok(plugins[TEST_MODULES[3]]);
         assert.strictEqual(
           plugins[TEST_MODULES[0]],
-          `@opencensus/${
-            Constants.DEFAULT_PLUGIN_PACKAGE_NAME_PREFIX
-          }-simple-module`
+          `@opencensus/${Constants.DEFAULT_PLUGIN_PACKAGE_NAME_PREFIX}-simple-module`
         );
         assert.strictEqual(
           plugins[TEST_MODULES[1]],
-          `@opencensus/${
-            Constants.DEFAULT_PLUGIN_PACKAGE_NAME_PREFIX
-          }-nonexistent-module`
+          `@opencensus/${Constants.DEFAULT_PLUGIN_PACKAGE_NAME_PREFIX}-nonexistent-module`
         );
         assert.strictEqual(
           plugins[TEST_MODULES[2]],
@@ -73,9 +69,7 @@ describe('Plugin Loader', () => {
         );
         assert.strictEqual(
           plugins[TEST_MODULES[3]],
-          `@opencensus/${
-            Constants.DEFAULT_PLUGIN_PACKAGE_NAME_PREFIX
-          }-load-internal-file-module`
+          `@opencensus/${Constants.DEFAULT_PLUGIN_PACKAGE_NAME_PREFIX}-load-internal-file-module`
         );
       });
     });
diff --git a/packages/opencensus-propagation-b3/src/validators.ts b/packages/opencensus-propagation-b3/src/validators.ts
index 0982bed83..1ae911c06 100644
--- a/packages/opencensus-propagation-b3/src/validators.ts
+++ b/packages/opencensus-propagation-b3/src/validators.ts
@@ -59,27 +59,16 @@ const compose = (...fns: ValidationFn[]): ValidationFn => {
  * Determines if the given traceId is valid based on section 2.2.2.1 of the
  * Trace Context spec.
  */
-export const isValidTraceId = compose(
-  isHex,
-  isNotAllZeros,
-  isLength(32)
-);
+export const isValidTraceId = compose(isHex, isNotAllZeros, isLength(32));
 
 /**
  * Determines if the given spanId is valid based on section 2.2.2.2 of the Trace
  * Context spec.
  */
-export const isValidSpanId = compose(
-  isHex,
-  isNotAllZeros,
-  isLength(16)
-);
+export const isValidSpanId = compose(isHex, isNotAllZeros, isLength(16));
 
 /**
  * Determines if the given option is valid based on section 2.2.3 of the Trace
  * Context spec.
  */
-export const isValidOption = compose(
-  isHex,
-  isLength(2)
-);
+export const isValidOption = compose(isHex, isLength(2));
diff --git a/packages/opencensus-propagation-jaeger/src/validators.ts b/packages/opencensus-propagation-jaeger/src/validators.ts
index cd3488f96..da2a05823 100644
--- a/packages/opencensus-propagation-jaeger/src/validators.ts
+++ b/packages/opencensus-propagation-jaeger/src/validators.ts
@@ -78,19 +78,12 @@ export const isValidTraceId = compose(
 /**
  * Determines if the given spanId is valid based on https://www.jaegertracing.io/docs/1.21/client-libraries/#value
  */
-export const isValidSpanId = compose(
-  isHex,
-  isNotAllZeros,
-  isLength(16)
-);
+export const isValidSpanId = compose(isHex, isNotAllZeros, isLength(16));
 
 /**
  * Determines if the given option is valid based on https://www.jaegertracing.io/docs/1.21/client-libraries/#value
  */
-export const isValidOption = compose(
-  isHex,
-  isLength(2)
-);
+export const isValidOption = compose(isHex, isLength(2));
 
 /**
  * Formats a traceId to 64Bit or 128Bit Hex and add leading zeroes
diff --git a/packages/opencensus-propagation-tracecontext/src/validators.ts b/packages/opencensus-propagation-tracecontext/src/validators.ts
index 386c31f49..4f828ac6a 100644
--- a/packages/opencensus-propagation-tracecontext/src/validators.ts
+++ b/packages/opencensus-propagation-tracecontext/src/validators.ts
@@ -61,36 +61,22 @@ const compose = (...fns: ValidationFn[]): ValidationFn => {
  * the version. If the version is parsable as hex and of length 2, we will
  * attempt to parse the header. This is per section 2.2.5 of the spec.
  */
-export const isValidVersion = compose(
-  isHex,
-  isLength(2)
-);
+export const isValidVersion = compose(isHex, isLength(2));
 
 /**
  * Determines if the given traceId is valid based on section 2.2.2.1 of the
  * Trace Context spec.
  */
-export const isValidTraceId = compose(
-  isHex,
-  isNotAllZeros,
-  isLength(32)
-);
+export const isValidTraceId = compose(isHex, isNotAllZeros, isLength(32));
 
 /**
  * Determines if the given spanId is valid based on section 2.2.2.2 of the Trace
  * Context spec.
  */
-export const isValidSpanId = compose(
-  isHex,
-  isNotAllZeros,
-  isLength(16)
-);
+export const isValidSpanId = compose(isHex, isNotAllZeros, isLength(16));
 
 /**
  * Determines if the given option is valid based on section 2.2.3 of the Trace
  * Context spec.
  */
-export const isValidOption = compose(
-  isHex,
-  isLength(2)
-);
+export const isValidOption = compose(isHex, isLength(2));