diff --git a/composer.lock b/composer.lock
index 2754713d..f79e6a52 100644
--- a/composer.lock
+++ b/composer.lock
@@ -8,16 +8,16 @@
     "packages": [
         {
             "name": "ckeditor/ckeditor",
-            "version": "4.20.1",
+            "version": "4.21.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ckeditor/ckeditor4-releases.git",
-                "reference": "d519387a9448cbb66a5091361ddf665fd8728743"
+                "reference": "af71d07caa2172c53e0e426250e3b0189137915b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ckeditor/ckeditor4-releases/zipball/d519387a9448cbb66a5091361ddf665fd8728743",
-                "reference": "d519387a9448cbb66a5091361ddf665fd8728743",
+                "url": "https://api.github.com/repos/ckeditor/ckeditor4-releases/zipball/af71d07caa2172c53e0e426250e3b0189137915b",
+                "reference": "af71d07caa2172c53e0e426250e3b0189137915b",
                 "shasum": ""
             },
             "type": "library",
@@ -52,7 +52,7 @@
                 "source": "https://github.com/ckeditor/ckeditor4",
                 "wiki": "https://ckeditor.com/docs/ckeditor4/latest/"
             },
-            "time": "2022-11-30T15:28:41+00:00"
+            "time": "2023-03-22T10:37:38+00:00"
         },
         {
             "name": "doctrine/inflector",