diff --git a/pkgs/development/compilers/openjdk/21/source.json b/pkgs/development/compilers/openjdk/21/source.json
index 5edd47f2b576..e394396960d8 100644
--- a/pkgs/development/compilers/openjdk/21/source.json
+++ b/pkgs/development/compilers/openjdk/21/source.json
@@ -1,6 +1,6 @@
 {
-  "hash": "sha256-xaaYt63uvoB5zfwUxHjNR3HiBPzFTNc4xyQfuTC/7VU=",
+  "hash": "sha256-5QWicPXWUyP1VkmTDIOjIgu9NXkB27nvtgUbrL+mSxg=",
   "owner": "openjdk",
   "repo": "jdk21u",
-  "rev": "refs/tags/jdk-21.0.10+7"
+  "rev": "refs/tags/jdk-21.0.12+2"
 }