diff --git a/bin/package-lock.json b/bin/package-lock.json
index ffebee5..087b709 100644
--- a/bin/package-lock.json
+++ b/bin/package-lock.json
@@ -8896,9 +8896,9 @@
       }
     },
     "source-map-support": {
-      "version": "0.5.19",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.19.tgz",
-      "integrity": "sha512-Wonm7zOCIJzBGQdB+thsPar0kYuCIzYvxZwlBa87yi/Mdjv7Tip2cyVbLj5o0cFPN4EVkuTwb3GDDyUx2DGnGw==",
+      "version": "0.5.21",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.21.tgz",
+      "integrity": "sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==",
       "dev": true,
       "requires": {
         "buffer-from": "^1.0.0",
@@ -9156,9 +9156,9 @@
       "dev": true
     },
     "terser": {
-      "version": "4.6.7",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.7.tgz",
-      "integrity": "sha512-fmr7M1f7DBly5cX2+rFDvmGBAaaZyPrHYK4mMdHEDAdNTqXSZgSOfqsfGq2HqPGT/1V0foZZuCZFx8CHKgAk3g==",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
diff --git a/bin/package.json b/bin/package.json
index e593666..23b0aba 100644
--- a/bin/package.json
+++ b/bin/package.json
@@ -56,7 +56,7 @@
     "webpack-merge": "4.2.2",
     "raw-loader": "3.1.0",
     "compression-webpack-plugin": "3.1.0",
-    "terser": "4.6.7",
+    "terser": "4.8.1",
     "chokidar": "^3.4.0"
   },
   "vaadin": {
@@ -113,7 +113,7 @@
       "raw-loader": "3.1.0",
       "webpack-cli": "3.3.11",
       "webpack": "4.42.0",
-      "terser": "4.6.7",
+      "terser": "4.8.1",
       "webpack-merge": "4.2.2",
       "webpack-dev-server": "3.10.3",
       "chokidar": "^3.4.0"