diff --git a/package.json b/package.json
index 03c4259eac..654845113c 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "gulp-postcss": "^8.0.0",
     "gulp-sass": "^4.0.2",
     "gulp-sourcemaps": "^2.6.5",
-    "gulp-terser": "^1.3.2",
+    "gulp-terser": "^1.4.0",
     "html-webpack-plugin": "^4.3.0",
     "lazypipe": "^1.0.2",
     "node-sass": "^4.13.1",
diff --git a/yarn.lock b/yarn.lock
index 4b8529b4b9..5f962daee2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5252,10 +5252,10 @@ gulp-sourcemaps@^2.6.5:
     strip-bom-string "1.X"
     through2 "2.X"
 
-gulp-terser@^1.3.2:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/gulp-terser/-/gulp-terser-1.3.2.tgz#c91a71c31de0c40a94330bfd43b20c2a40df9a6b"
-  integrity sha512-hLx9Ww9PX304R3E7pMyL+jFftH47QXQCgKE6IZajbz7OoqAPMdr+sTxBpaujgIVkdbnJwJ7AFhfrcyy/cjBgZQ==
+gulp-terser@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/gulp-terser/-/gulp-terser-1.4.0.tgz#0ac4dfdbed4ab46906007c5b358810c1642b9764"
+  integrity sha512-7df9leJna3WOmj76tYHxjpn7BSU+vmKVjVSd6bz3uLEyrzCfZI97KPhRcIabrSNzs0UY/UXTt+JwkxPw3sF85w==
   dependencies:
     is-promise "^4.0.0"
     plugin-error "^1.0.1"