diff --git a/package-lock.json b/package-lock.json
index 8ea195f..f679d56 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2210,9 +2210,9 @@
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-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+      "version": "0.7.3",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.3.tgz",
+      "integrity": "sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==",
       "dev": true
     },
     "source-map-support": {
@@ -2223,6 +2223,14 @@
       "requires": {
         "buffer-from": "^1.0.0",
         "source-map": "^0.6.0"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
       }
     },
     "spdx-correct": {
@@ -2417,14 +2425,14 @@
       }
     },
     "terser": {
-      "version": "4.7.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.7.0.tgz",
-      "integrity": "sha512-Lfb0RiZcjRDXCC3OSHJpEkxJ9Qeqs6mp2v4jf2MHfy8vGERmVDuvjXdd/EnP5Deme5F2yBRBymKmKHCBg2echw==",
+      "version": "5.7.0",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.7.0.tgz",
+      "integrity": "sha512-HP5/9hp2UaZt5fYkuhNBR8YyRcT8juw8+uFbAme53iN9hblvKnLUTKkmwJG6ocWpIKf8UK4DoeWG4ty0J6S6/g==",
       "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": {
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diff --git a/package.json b/package.json
index 54d0ee8..f0b816d 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": "5.7.0"
   },
   "dependencies": {
     "elo7-doc-amd": "1.6.0",