diff --git a/package-lock.json b/package-lock.json
index b71a3ba..f3e0f70 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2534,9 +2534,9 @@
       }
     },
     "node_modules/uglify-js": {
-      "version": "3.15.3",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.15.3.tgz",
-      "integrity": "sha512-6iCVm2omGJbsu3JWac+p6kUiOpg3wFO2f8lIXjfEb8RrmLjzog1wTPMmwKB7swfzzqxj9YM+sGUM++u1qN4qJg==",
+      "version": "3.15.4",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.15.4.tgz",
+      "integrity": "sha512-vMOPGDuvXecPs34V74qDKk4iJ/SN4vL3Ow/23ixafENYvtrNvtbcgUeugTcUGRGsOF/5fU8/NYSL5Hyb3l1OJA==",
       "dev": true,
       "bin": {
         "uglifyjs": "bin/uglifyjs"
@@ -4525,9 +4525,9 @@
       "dev": true
     },
     "uglify-js": {
-      "version": "3.15.3",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.15.3.tgz",
-      "integrity": "sha512-6iCVm2omGJbsu3JWac+p6kUiOpg3wFO2f8lIXjfEb8RrmLjzog1wTPMmwKB7swfzzqxj9YM+sGUM++u1qN4qJg==",
+      "version": "3.15.4",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.15.4.tgz",
+      "integrity": "sha512-vMOPGDuvXecPs34V74qDKk4iJ/SN4vL3Ow/23ixafENYvtrNvtbcgUeugTcUGRGsOF/5fU8/NYSL5Hyb3l1OJA==",
       "dev": true
     },
     "unbox-primitive": {