diff --git a/package.json b/package.json
index ad7f529f..9cde4ba7 100644
--- a/package.json
+++ b/package.json
@@ -117,7 +117,7 @@
     "redux-devtools-extension": "2.13.8",
     "spectron": "10.0.1",
     "style-loader": "1.1.3",
-    "terser": "4.6.4",
+    "terser": "4.6.6",
     "terser-webpack-plugin": "2.3.5",
     "ts-node": "8.6.2",
     "typescript": "3.8.3",
diff --git a/yarn.lock b/yarn.lock
index 256a2cbe..1365aaac 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8049,10 +8049,10 @@ terser-webpack-plugin@^1.4.3:
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-terser@4.6.4, terser@^4.1.2, terser@^4.3.9, terser@^4.4.3:
-  version "4.6.4"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.4.tgz#40a0b37afbe5b57e494536815efa68326840fc00"
-  integrity sha512-5fqgBPLgVHZ/fVvqRhhUp9YUiGXhFJ9ZkrZWD9vQtFBR4QIGTnbsb+/kKqSqfgp3WnBwGWAFnedGTtmX1YTn0w==
+terser@4.6.6, terser@^4.1.2, terser@^4.3.9, terser@^4.4.3:
+  version "4.6.6"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.6.tgz#da2382e6cafbdf86205e82fb9a115bd664d54863"
+  integrity sha512-4lYPyeNmstjIIESr/ysHg2vUPRGf2tzF9z2yYwnowXVuVzLEamPN1Gfrz7f8I9uEPuHcbFlW4PLIAsJoxXyJ1g==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"