diff --git a/package-lock.json b/package-lock.json
index 7c436a7e..a31b7081 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6074,9 +6074,9 @@
       }
     },
     "uglify-js": {
-      "version": "3.6.9",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.9.tgz",
-      "integrity": "sha512-pcnnhaoG6RtrvHJ1dFncAe8Od6Nuy30oaJ82ts6//sGSXOP5UjBMEthiProjXmMNHOfd93sqlkztifFMcb+4yw==",
+      "version": "3.7.1",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.7.1.tgz",
+      "integrity": "sha512-pnOF7jY82wdIhATVn87uUY/FHU+MDUdPLkmGFvGoclQmeu229eTkbG5gjGGBi3R7UuYYSEeYXY/TTY5j2aym2g==",
       "dev": true,
       "requires": {
         "commander": "~2.20.3",
diff --git a/package.json b/package.json
index 0c5ecede..816d9a4a 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "jsonlint2": "1.7.1",
     "svglint": "1.0.5",
     "svgo": "1.3.2",
-    "uglify-js": "3.6.9"
+    "uglify-js": "3.7.1"
   },
   "scripts": {
     "build": "node scripts/build-package.js",