diff --git a/composer.json b/composer.json
index d335b14816d0f80d4a55f4bac49344b681a89aa6..1ca21af95293dffe3c131be14b430bc8ddde2c69 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
   "require": {
     "quiqqer\/quiqqer": "*",
     "quiqqer\/qui": ">=1|*@dev",
-    "ckeditor\/ckeditor": "4.*"
+    "ckeditor\/ckeditor": ">=4.16.0 <=4.22.1"
   },
   "autoload": {
     "psr-4": {