diff --git a/css/css-writing-modes/tools/generators/package.json b/css/css-writing-modes/tools/generators/package.json
index 8046cf4240aa37..c1ce16d84261df 100644
--- a/css/css-writing-modes/tools/generators/package.json
+++ b/css/css-writing-modes/tools/generators/package.json
@@ -8,7 +8,7 @@
     "browser-sync": "^2.10.1",
     "connect": "^3.4.0",
     "ejs": "^2.3.1",
-    "gulp": "^3.8.11",
+    "gulp": "^4.0.2",
     "gulp-ejs": "^1.1.0",
     "gulp-rename": "^1.2.2",
     "minimist": "^1.1.1",