diff --git a/package-lock.json b/package-lock.json
index f07d484a..4eaad735 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -675,6 +675,12 @@
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+    "@types/node": {
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+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.11.5.tgz",
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@@ -6980,22 +6986,29 @@
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-      "resolved": "https://registry.npmjs.org/jest-worker/-/jest-worker-24.9.0.tgz",
-      "integrity": "sha512-51PE4haMSXcHohnSMdM42anbvZANYTqMrr52tVKPqqsPJMzoP6FYYDVqahX/HrAoKEKz3uUPzSvKs9A3qR4iVw==",
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+      "resolved": "https://registry.npmjs.org/jest-worker/-/jest-worker-26.5.0.tgz",
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       "dev": true,
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+        "supports-color": "^7.0.0"
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+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
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           "dev": true,
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-            "has-flag": "^3.0.0"
+            "has-flag": "^4.0.0"
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@@ -10174,32 +10187,42 @@
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-      "version": "5.3.1",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-5.3.1.tgz",
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+      "version": "7.0.2",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-7.0.2.tgz",
+      "integrity": "sha512-w3iIaU4OxcF52UUXiZNsNeuXIMDvFrr+ZXK6bFZ0Q60qyVfq4uLptoS4bbq3paG3x216eQllFZX7zt6TIImguQ==",
       "dev": true,
       "requires": {
-        "@babel/code-frame": "^7.5.5",
-        "jest-worker": "^24.9.0",
-        "rollup-pluginutils": "^2.8.2",
+        "@babel/code-frame": "^7.10.4",
+        "jest-worker": "^26.2.1",
         "serialize-javascript": "^4.0.0",
-        "terser": "^4.6.2"
-      }
-    },
-    "rollup-pluginutils": {
-      "version": "2.8.2",
-      "resolved": "https://registry.npmjs.org/rollup-pluginutils/-/rollup-pluginutils-2.8.2.tgz",
-      "integrity": "sha512-EEp9NhnUkwY8aif6bxgovPHMoMoNr2FulJziTndpt5H9RdwC47GSGuII9XxpSdzVGM0GWrNPHV6ie1LTNJPaLQ==",
-      "dev": true,
-      "requires": {
-        "estree-walker": "^0.6.1"
+        "terser": "^5.0.0"
       },
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-        "estree-walker": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-0.6.1.tgz",
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+        "@babel/code-frame": {
+          "version": "7.10.4",
+          "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.10.4.tgz",
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+          "dev": true,
+          "requires": {
+            "@babel/highlight": "^7.10.4"
+          }
+        },
+        "@babel/helper-validator-identifier": {
+          "version": "7.10.4",
+          "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.4.tgz",
+          "integrity": "sha512-3U9y+43hz7ZM+rzG24Qe2mufW5KhvFg/NhnNph+i9mgCtdTCtMJuI1TMkrIUiK7Ix4PYlRF9I5dhqaLYA/ADXw==",
           "dev": true
+        },
+        "@babel/highlight": {
+          "version": "7.10.4",
+          "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.10.4.tgz",
+          "integrity": "sha512-i6rgnR/YgPEQzZZnbTHHuZdlE8qyoBNalD6F+q4vAFlcMEcqmkoG+mPqJYJCo63qPf74+Y1UZsl3l6f7/RIkmA==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-validator-identifier": "^7.10.4",
+            "chalk": "^2.0.0",
+            "js-tokens": "^4.0.0"
+          }
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@@ -11299,14 +11322,22 @@
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-      "version": "4.8.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.0.tgz",
-      "integrity": "sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==",
+      "version": "5.3.4",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.3.4.tgz",
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       "dev": true,
       "requires": {
         "commander": "^2.20.0",
-        "source-map": "~0.6.1",
-        "source-map-support": "~0.5.12"
+        "source-map": "~0.7.2",
+        "source-map-support": "~0.5.19"
+      },
+      "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
+        }
       }
     },
     "text-extensions": {
diff --git a/package.json b/package.json
index 2e3bed97..1bdcdcc0 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": "^0.6.3",
-    "rollup-plugin-terser": "^5.3.1",
+    "rollup-plugin-terser": "^7.0.2",
     "semver": "^7.3.2",
     "sinon": "^7.5.0",
     "sinon-chai": "^3.5.0",