diff --git a/package-lock.json b/package-lock.json
index 0a0d2e2..9aa4cbe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8647,9 +8647,9 @@
       }
     },
     "uglify-js": {
-      "version": "3.4.3",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.4.3.tgz",
-      "integrity": "sha512-RbOgGjF04sFUNSi8xGOTB9AmtVmMmVVAL5a7lxIgJ8urejJen+priq0ooRIHHa8AXI/dSvNF9yYMz9OP4PhybQ==",
+      "version": "3.4.4",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.4.4.tgz",
+      "integrity": "sha512-RiB1kNcC9RMyqwRrjXC+EjgLoXULoDnCaOnEDzUCHkBN0bHwmtF5rzDMiDWU29gu0kXCRRWwtcTAVFWRECmU2Q==",
       "dev": true,
       "requires": {
         "commander": "2.16.0",
diff --git a/package.json b/package.json
index 46f5558..58891e4 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "codecov": "^3.0.0",
     "jest": "^23.0.1",
     "standard": "^10.0.3",
-    "uglify-js": "3.4.3",
+    "uglify-js": "3.4.4",
     "webpack": "4.16.1"
   },
   "jest": {