diff --git a/pkgs/development/compilers/openjdk/21/source.json b/pkgs/development/compilers/openjdk/21/source.json
index d0db28246a84..9808423ccff1 100644
--- a/pkgs/development/compilers/openjdk/21/source.json
+++ b/pkgs/development/compilers/openjdk/21/source.json
@@ -1,6 +1,6 @@
 {
-  "hash": "sha256-+xpQtQ1IQ7btVWnENT9XS5A/2VP101/+XR3BMo8BqYI=",
+  "hash": "sha256-H28Hp1SzANkrgnC6xdkiSEcRK6bm8BcT/lbJDEUvRYY=",
   "owner": "openjdk",
   "repo": "jdk21u",
-  "rev": "jdk-21.0.4+7"
+  "rev": "refs/tags/jdk-21.0.5+11"
 }