diff --git a/src/ckeditor5/package-lock.json b/src/ckeditor5/package-lock.json
index 4da131c..8783dc2 100644
--- a/src/ckeditor5/package-lock.json
+++ b/src/ckeditor5/package-lock.json
@@ -7157,9 +7157,9 @@
       "dev": true
     },
     "terser": {
-      "version": "4.6.4",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.4.tgz",
-      "integrity": "sha512-5fqgBPLgVHZ/fVvqRhhUp9YUiGXhFJ9ZkrZWD9vQtFBR4QIGTnbsb+/kKqSqfgp3WnBwGWAFnedGTtmX1YTn0w==",
+      "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",