diff --git a/package-lock.json b/package-lock.json
index 1e5ce48e..226acfef 100644
--- a/package-lock.json
+++ b/package-lock.json
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+        "@babel/code-frame": "^7.10.4",
+        "jest-worker": "^26.2.1",
+        "serialize-javascript": "^4.0.0",
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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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@@ -10332,10 +10364,13 @@
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-      "dev": true
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+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-4.0.0.tgz",
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@@ -11232,9 +11267,9 @@
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+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.3.0.tgz",
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diff --git a/package.json b/package.json
index fb10547c..56267d2d 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
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     "rollup-plugin-multi-entry": "^2.1.0",
     "rollup-plugin-sourcemaps": "^0.6.2",
-    "rollup-plugin-terser": "^5.3.0",
+    "rollup-plugin-terser": "^7.0.2",
     "semver": "^7.3.2",
     "sinon": "^7.5.0",
     "sinon-chai": "^3.5.0",