diff --git a/package-lock.json b/package-lock.json
index 11563ae..dd3d4b4 100644
--- a/package-lock.json
+++ b/package-lock.json
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-			"integrity": "sha512-6tzWDMeroL87uF/+lin46k+Q+46rAJ0SyPGz7OW7wTgblI273hsBqk2C1j0/xNadNLKDTUL9BukSjB7cwgmlPA==",
-			"requires": {
-				"chownr": "^1.1.1",
-				"mkdirp-classic": "^0.5.2",
-				"pump": "^3.0.0",
-				"tar-stream": "^2.0.0"
-			}
-		},
-		"tar-stream": {
-			"version": "2.1.2",
-			"resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.1.2.tgz",
-			"integrity": "sha512-UaF6FoJ32WqALZGOIAApXx+OdxhekNMChu6axLJR85zMMjXKWFGjbIRe+J6P4UnRGg9rAwWvbTT0oI7hD/Un7Q==",
-			"requires": {
-				"bl": "^4.0.1",
-				"end-of-stream": "^1.4.1",
-				"fs-constants": "^1.0.0",
-				"inherits": "^2.0.3",
-				"readable-stream": "^3.1.1"
-			}
-		},
 		"test-exclude": {
 			"version": "5.2.3",
 			"resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-5.2.3.tgz",
@@ -5525,11 +5478,6 @@
 			"integrity": "sha1-iQN8vJLFarGJJua6TLsgDhVnKmo=",
 			"dev": true
 		},
-		"through": {
-			"version": "2.3.8",
-			"resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
-			"integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
-		},
 		"tmpl": {
 			"version": "1.0.4",
 			"resolved": "https://registry.npmjs.org/tmpl/-/tmpl-1.0.4.tgz",
@@ -5627,14 +5575,10 @@
 				"prelude-ls": "~1.1.2"
 			}
 		},
-		"unbzip2-stream": {
-			"version": "1.4.2",
-			"resolved": "https://registry.npmjs.org/unbzip2-stream/-/unbzip2-stream-1.4.2.tgz",
-			"integrity": "sha512-pZMVAofMrrHX6Ik39hCk470kulCbmZ2SWfQLPmTWqfJV/oUm0gn1CblvHdUu4+54Je6Jq34x8kY6XjTy6dMkOg==",
-			"requires": {
-				"buffer": "^5.2.1",
-				"through": "^2.3.8"
-			}
+		"typedarray": {
+			"version": "0.0.6",
+			"resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+			"integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
 		},
 		"union-value": {
 			"version": "1.0.1",
@@ -5889,9 +5833,12 @@
 			}
 		},
 		"ws": {
-			"version": "7.2.3",
-			"resolved": "https://registry.npmjs.org/ws/-/ws-7.2.3.tgz",
-			"integrity": "sha512-HTDl9G9hbkNDk98naoR/cHDws7+EyYMOdL1BmjsZXRUjf7d+MficC4B7HLUPlSiho0vg+CWKrGIt/VJBd1xunQ=="
+			"version": "6.2.1",
+			"resolved": "https://registry.npmjs.org/ws/-/ws-6.2.1.tgz",
+			"integrity": "sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==",
+			"requires": {
+				"async-limiter": "~1.0.0"
+			}
 		},
 		"xml-name-validator": {
 			"version": "3.0.0",
diff --git a/package.json b/package.json
index 762287f..1bcfb6d 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
 		"assert": "^2.0.0",
 		"axe-puppeteer": "latest",
 		"commander": "^2.20.3",
-		"puppeteer": "latest",
+		"puppeteer": "2.1.1",
 		"static-server": "^2.2.1"
 	},
 	"devDependencies": {