diff --git a/package-lock.json b/package-lock.json
index 53aaf9b..0b76cad 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,7 +31,7 @@
         "coveralls": "^3.1.0",
         "jest": "^26.0.1",
         "np": "^7.4.0",
-        "terser-webpack-plugin": "^3.0.3",
+        "terser-webpack-plugin": "^4.2.3",
         "ts-loader": "^7.0.5",
         "tslint": "^6.1.2",
         "typescript": "^4.2.3",
@@ -12978,17 +12978,17 @@
       }
     },
     "node_modules/schema-utils": {
-      "version": "2.7.1",
-      "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-2.7.1.tgz",
-      "integrity": "sha512-SHiNtMOUGWBQJwzISiVYKu82GiV4QYGePp3odlY1tuKO7gPtphAT5R/py0fA6xtbgLL/RvtJZnU9b8s0F1q0Xg==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-3.1.1.tgz",
+      "integrity": "sha512-Y5PQxS4ITlC+EahLuXaY86TXfR7Dc5lw294alXOq86JAHCihAIZfqv8nNCWvaEJvaC51uN9hbLGeV0cFBdH+Fw==",
       "dev": true,
       "dependencies": {
-        "@types/json-schema": "^7.0.5",
-        "ajv": "^6.12.4",
+        "@types/json-schema": "^7.0.8",
+        "ajv": "^6.12.5",
         "ajv-keywords": "^3.5.2"
       },
       "engines": {
-        "node": ">= 8.9.0"
+        "node": ">= 10.13.0"
       },
       "funding": {
         "type": "opencollective",
@@ -13876,19 +13876,19 @@
       }
     },
     "node_modules/terser-webpack-plugin": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-3.1.0.tgz",
-      "integrity": "sha512-cjdZte66fYkZ65rQ2oJfrdCAkkhJA7YLYk5eGOcGCSGlq0ieZupRdjedSQXYknMPo2IveQL+tPdrxUkERENCFA==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-4.2.3.tgz",
+      "integrity": "sha512-jTgXh40RnvOrLQNgIkwEKnQ8rmHjHK4u+6UBEi+W+FPmvb+uo+chJXntKe7/3lW5mNysgSWD60KyesnhW8D6MQ==",
       "dev": true,
       "dependencies": {
         "cacache": "^15.0.5",
         "find-cache-dir": "^3.3.1",
-        "jest-worker": "^26.2.1",
+        "jest-worker": "^26.5.0",
         "p-limit": "^3.0.2",
-        "schema-utils": "^2.6.6",
-        "serialize-javascript": "^4.0.0",
+        "schema-utils": "^3.0.0",
+        "serialize-javascript": "^5.0.1",
         "source-map": "^0.6.1",
-        "terser": "^4.8.0",
+        "terser": "^5.3.4",
         "webpack-sources": "^1.4.3"
       },
       "engines": {
@@ -13917,6 +13917,15 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/terser-webpack-plugin/node_modules/serialize-javascript": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-5.0.1.tgz",
+      "integrity": "sha512-SaaNal9imEO737H2c05Og0/8LUXG7EnsZyMa8MzkmuHoELfT6txuj0cMqRj6zfPKnmQ1yasR4PCJc8x+M4JSPA==",
+      "dev": true,
+      "dependencies": {
+        "randombytes": "^2.1.0"
+      }
+    },
     "node_modules/terser-webpack-plugin/node_modules/source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -13926,6 +13935,32 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/terser-webpack-plugin/node_modules/terser": {
+      "version": "5.9.0",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.9.0.tgz",
+      "integrity": "sha512-h5hxa23sCdpzcye/7b8YqbE5OwKca/ni0RQz1uRX3tGh8haaGHqcuSqbGRybuAKNdntZ0mDgFNXPJ48xQ2RXKQ==",
+      "dev": true,
+      "dependencies": {
+        "commander": "^2.20.0",
+        "source-map": "~0.7.2",
+        "source-map-support": "~0.5.20"
+      },
+      "bin": {
+        "terser": "bin/terser"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/terser-webpack-plugin/node_modules/terser/node_modules/source-map": {
+      "version": "0.7.3",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.3.tgz",
+      "integrity": "sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==",
+      "dev": true,
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/terser/node_modules/source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -26116,13 +26151,13 @@
       }
     },
     "schema-utils": {
-      "version": "2.7.1",
-      "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-2.7.1.tgz",
-      "integrity": "sha512-SHiNtMOUGWBQJwzISiVYKu82GiV4QYGePp3odlY1tuKO7gPtphAT5R/py0fA6xtbgLL/RvtJZnU9b8s0F1q0Xg==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-3.1.1.tgz",
+      "integrity": "sha512-Y5PQxS4ITlC+EahLuXaY86TXfR7Dc5lw294alXOq86JAHCihAIZfqv8nNCWvaEJvaC51uN9hbLGeV0cFBdH+Fw==",
       "dev": true,
       "requires": {
-        "@types/json-schema": "^7.0.5",
-        "ajv": "^6.12.4",
+        "@types/json-schema": "^7.0.8",
+        "ajv": "^6.12.5",
         "ajv-keywords": "^3.5.2"
       }
     },
@@ -26856,19 +26891,19 @@
       }
     },
     "terser-webpack-plugin": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-3.1.0.tgz",
-      "integrity": "sha512-cjdZte66fYkZ65rQ2oJfrdCAkkhJA7YLYk5eGOcGCSGlq0ieZupRdjedSQXYknMPo2IveQL+tPdrxUkERENCFA==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-4.2.3.tgz",
+      "integrity": "sha512-jTgXh40RnvOrLQNgIkwEKnQ8rmHjHK4u+6UBEi+W+FPmvb+uo+chJXntKe7/3lW5mNysgSWD60KyesnhW8D6MQ==",
       "dev": true,
       "requires": {
         "cacache": "^15.0.5",
         "find-cache-dir": "^3.3.1",
-        "jest-worker": "^26.2.1",
+        "jest-worker": "^26.5.0",
         "p-limit": "^3.0.2",
-        "schema-utils": "^2.6.6",
-        "serialize-javascript": "^4.0.0",
+        "schema-utils": "^3.0.0",
+        "serialize-javascript": "^5.0.1",
         "source-map": "^0.6.1",
-        "terser": "^4.8.0",
+        "terser": "^5.3.4",
         "webpack-sources": "^1.4.3"
       },
       "dependencies": {
@@ -26881,11 +26916,39 @@
             "yocto-queue": "^0.1.0"
           }
         },
+        "serialize-javascript": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-5.0.1.tgz",
+          "integrity": "sha512-SaaNal9imEO737H2c05Og0/8LUXG7EnsZyMa8MzkmuHoELfT6txuj0cMqRj6zfPKnmQ1yasR4PCJc8x+M4JSPA==",
+          "dev": true,
+          "requires": {
+            "randombytes": "^2.1.0"
+          }
+        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
+        },
+        "terser": {
+          "version": "5.9.0",
+          "resolved": "https://registry.npmjs.org/terser/-/terser-5.9.0.tgz",
+          "integrity": "sha512-h5hxa23sCdpzcye/7b8YqbE5OwKca/ni0RQz1uRX3tGh8haaGHqcuSqbGRybuAKNdntZ0mDgFNXPJ48xQ2RXKQ==",
+          "dev": true,
+          "requires": {
+            "commander": "^2.20.0",
+            "source-map": "~0.7.2",
+            "source-map-support": "~0.5.20"
+          },
+          "dependencies": {
+            "source-map": {
+              "version": "0.7.3",
+              "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.3.tgz",
+              "integrity": "sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==",
+              "dev": true
+            }
+          }
         }
       }
     },
diff --git a/package.json b/package.json
index d6874c0..c790285 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "coveralls": "^3.1.0",
     "jest": "^26.0.1",
     "np": "^7.4.0",
-    "terser-webpack-plugin": "^3.0.3",
+    "terser-webpack-plugin": "^4.2.3",
     "ts-loader": "^7.0.5",
     "tslint": "^6.1.2",
     "typescript": "^4.2.3",