diff --git a/package.json b/package.json
index ddb9023e..5583a85f 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "prettier": "1.19.1",
     "require-dir": "1.2.0",
     "uglify-es": "3.3.9",
-    "uglify-js": "3.7.5",
+    "uglify-js": "3.14.1",
     "yargs-parser": "17.0.0",
     "yarn": "1.22.0"
   },
diff --git a/yarn.lock b/yarn.lock
index d1251a1a..c1f3dfb4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1854,7 +1854,7 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.2.0, commander@^2.20.0, commander@~2.20.3:
+commander@^2.2.0, commander@^2.20.0:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
@@ -7219,13 +7219,10 @@ uglify-es@3.3.9:
     commander "~2.13.0"
     source-map "~0.6.1"
 
-uglify-js@3.7.5:
-  version "3.7.5"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.7.5.tgz#278c7c24927ac5a32d3336fc68fd4ae1177a486a"
-  integrity sha512-GFZ3EXRptKGvb/C1Sq6nO1iI7AGcjyqmIyOw0DrD0675e+NNbGO72xmMM2iEBdFbxaTLo70NbjM/Wy54uZIlsg==
-  dependencies:
-    commander "~2.20.3"
-    source-map "~0.6.1"
+uglify-js@3.14.1:
+  version "3.14.1"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.14.1.tgz#e2cb9fe34db9cb4cf7e35d1d26dfea28e09a7d06"
+  integrity sha512-JhS3hmcVaXlp/xSo3PKY5R0JqKs5M3IV+exdLHW99qKvKivPO4Z8qbej6mte17SOPqAOVMjt/XGgWacnFSzM3g==
 
 uglify-js@^2.8.22:
   version "2.8.29"