diff --git a/pkgs/development/compilers/openjdk/21/source.json b/pkgs/development/compilers/openjdk/21/source.json
index e394396960d8..6e896ae41dfe 100644
--- a/pkgs/development/compilers/openjdk/21/source.json
+++ b/pkgs/development/compilers/openjdk/21/source.json
@@ -1,6 +1,6 @@
 {
-  "hash": "sha256-5QWicPXWUyP1VkmTDIOjIgu9NXkB27nvtgUbrL+mSxg=",
+  "hash": "sha256-XxD5Tn5dMwirOoESCsza1dPvcgMF795Uh8YgaGUli1g=",
   "owner": "openjdk",
   "repo": "jdk21u",
-  "rev": "refs/tags/jdk-21.0.12+2"
+  "rev": "refs/tags/jdk-21.0.12+8"
 }