diff --git a/package.json b/package.json
index 49ad329..f172dc1 100644
--- a/package.json
+++ b/package.json
@@ -51,6 +51,7 @@
     "husky": "^1.3.1",
     "lint-staged": "^7.0.0",
     "stylelint": "^11.1.1",
+    "stylelint-config-ckeditor5": "^1.0.0",
     "postcss-loader": "^3.0.0",
     "raw-loader": "^3.1.0",
     "style-loader": "^1.0.0",