diff --git a/package.json b/package.json
index c372e9a..bfe28de 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "grunt-contrib-requirejs": "^1.0.0",
     "grunt-contrib-watch": "^1.1.0",
     "grunt-sass": "^3.1.0",
-    "grunt-shell": "^3.0.1",
+    "grunt-shell": "^4.0.0",
     "grunt-terser": "^1.0.0",
     "imagemin": "^8.0.1",
     "optipng-bin": "^6.0.0",