diff --git a/package.json b/package.json
index 2bec360..ae4079f 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "gulp-header": "2.0.9",
     "gulp-rename": "2.0.0",
     "gulp-concat": "2.6.1",
-    "gulp-terser": "1.3.2",
+    "gulp-terser": "1.4.0",
     "gulp-optimize-js": "1.1.0",
     "gulp-sass": "4.1.0",
     "gulp-postcss": "8.0.0",