diff --git a/package-lock.json b/package-lock.json
index bb451eb4..1d6dfda9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15888,9 +15888,9 @@
       "dev": true
     },
     "uglify-js": {
-      "version": "3.4.4",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.4.4.tgz",
-      "integrity": "sha512-RiB1kNcC9RMyqwRrjXC+EjgLoXULoDnCaOnEDzUCHkBN0bHwmtF5rzDMiDWU29gu0kXCRRWwtcTAVFWRECmU2Q==",
+      "version": "3.4.5",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.4.5.tgz",
+      "integrity": "sha512-Fm52gLqJqFBnT+Sn411NPDnsgaWiYeRLw42x7Va/mS8TKgaepwoGY7JLXHSEef3d3PmdFXSz1Zx7KMLL89E2QA==",
       "dev": true,
       "requires": {
         "commander": "~2.16.0",
diff --git a/package.json b/package.json
index fff5b0f2..969decea 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "pretty-bytes-cli": "2.0.0",
     "semver": "5.5.0",
     "sinon": "4.5.0",
-    "uglify-js": "3.4.4",
+    "uglify-js": "3.4.5",
     "webpack": "3.12.0",
     "webpack-dev-server": "2.11.2"
   },