diff --git a/package-lock.json b/package-lock.json
index a54b69e9..05d93b09 100644
--- a/package-lock.json
+++ b/package-lock.json
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-        "rollup-pluginutils": "^2.8.2",
-        "serialize-javascript": "^2.1.2",
-        "terser": "^4.6.2"
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+        "serialize-javascript": "^4.0.0",
+        "terser": "^5.0.0"
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+          "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.10.4.tgz",
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+          "requires": {
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+            "chalk": "^2.0.0",
+            "js-tokens": "^4.0.0"
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+        "ansi-styles": {
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+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
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+          "dev": true,
+          "requires": {
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+        "chalk": {
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+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
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+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
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+        "color-convert": {
+          "version": "1.9.3",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+          "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+          "dev": true,
+          "requires": {
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+        "color-name": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+          "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
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-          "resolved": "https://registry.npmjs.org/jest-worker/-/jest-worker-24.9.0.tgz",
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+          "resolved": "https://registry.npmjs.org/jest-worker/-/jest-worker-26.3.0.tgz",
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           "dev": true,
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             "merge-stream": "^2.0.0",
-            "supports-color": "^6.1.0"
+            "supports-color": "^7.0.0"
+          },
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+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
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+            "supports-color": {
+              "version": "7.1.0",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.1.0.tgz",
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+              "dev": true,
+              "requires": {
+                "has-flag": "^4.0.0"
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-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
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+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
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@@ -10029,10 +10116,13 @@
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-      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-2.1.2.tgz",
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-      "dev": true
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-4.0.0.tgz",
+      "integrity": "sha512-GaNA54380uFefWghODBWEGisLZFj00nS5ACs6yHa9nLqlLpVLO8ChDGeKRjZnV4Nh4n0Qi7nhYZD/9fCPzEqkw==",
+      "dev": true,
+      "requires": {
+        "randombytes": "^2.1.0"
+      }
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@@ -10608,9 +10698,9 @@
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-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.11.tgz",
-      "integrity": "sha512-76Ynm7OXUG5xhOpblhytE7X58oeNSmC8xnNhjWVo8CksHit0U0kO4hfNbPrrYwowLWFgM2n9L176VNx2QaHmtA==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.0.0.tgz",
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diff --git a/package.json b/package.json
index 8ba27867..29e82c30 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "rollup": "^2.4.0",
     "rollup-plugin-babel": "^4.4.0",
     "rollup-plugin-commonjs": "^10.1.0",
-    "rollup-plugin-terser": "^5.3.0",
+    "rollup-plugin-terser": "^7.0.0",
     "rollup-plugin-typescript2": "^0.27.0",
     "selenium-webdriver": "^4.0.0-alpha.7",
     "ts-jest": "^25.3.1",