diff --git a/spec/fixtures/dynamic_finders/plugin_version/wp-post-rating/composer_file/package.json b/spec/fixtures/dynamic_finders/plugin_version/wp-post-rating/composer_file/package.json
index 96debf26c..6a248916e 100644
--- a/spec/fixtures/dynamic_finders/plugin_version/wp-post-rating/composer_file/package.json
+++ b/spec/fixtures/dynamic_finders/plugin_version/wp-post-rating/composer_file/package.json
@@ -9,7 +9,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "gulp": "^3.9.1",
+    "gulp": "^4.0.0",
     "gulp-less": "^4.0.1",
     "gulp-rename": "^1.4.0",
     "gulp-uglify": "^3.0.1"