diff --git a/package-lock.json b/package-lock.json
index 8ea195f..1ab135f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2417,9 +2417,9 @@
       }
     },
     "terser": {
-      "version": "4.7.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.7.0.tgz",
-      "integrity": "sha512-Lfb0RiZcjRDXCC3OSHJpEkxJ9Qeqs6mp2v4jf2MHfy8vGERmVDuvjXdd/EnP5Deme5F2yBRBymKmKHCBg2echw==",
+      "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 54d0ee8..b180001 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "http-server": "0.12.3",
     "mocha": "7.1.2",
     "mocha-chrome": "2.2.0",
-    "terser": "4.7.0"
+    "terser": "5.3.0"
   },
   "dependencies": {
     "elo7-doc-amd": "1.6.0",