diff --git a/package-lock.json b/package-lock.json
index fd8435a..cf7ac9f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,9 +16,9 @@
       }
     },
     "node_modules/uglify-js": {
-      "version": "3.17.4",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.17.4.tgz",
-      "integrity": "sha512-T9q82TJI9e/C1TAxYvfb16xO120tMVFZrGA3f9/P4424DNu6ypK103y0GPFVa17yotwSyZW5iYXgjYHkGrJW/g==",
+      "version": "3.19.3",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.19.3.tgz",
+      "integrity": "sha512-v3Xu+yuwBXisp6QYTcH4UbH+xYJXqnq2m/LtQVWKWzYc1iehYnLixoQDN9FH6/j9/oybfd6W9Ghwkl8+UMKTKQ==",
       "bin": {
         "uglifyjs": "bin/uglifyjs"
       },