diff --git a/package-lock.json b/package-lock.json
index d8a1aee..6fb02dc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1632,9 +1632,9 @@
       }
     },
     "terser": {
-      "version": "4.6.13",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.13.tgz",
-      "integrity": "sha512-wMvqukYgVpQlymbnNbabVZbtM6PN63AzqexpwJL8tbh/mRT9LE5o+ruVduAGL7D6Fpjl+Q+06U5I9Ul82odAhw==",
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.3.0.tgz",
+      "integrity": "sha512-XTT3D3AwxC54KywJijmY2mxZ8nJiEjBHVYzq8l9OaYuRFWeQNBwvipuzzYEP4e+/AVcd1hqG/CqgsdIRyT45Fg==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
diff --git a/package.json b/package.json
index ebe0aa1..462c0f8 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,6 @@
     "define-async": "1.3.2",
     "eslint": "7.0.0",
     "mocha": "7.1.2",
-    "terser": "4.6.13"
+    "terser": "5.3.0"
   }
 }