diff --git a/pkgs/development/compilers/openjdk/21/source.json b/pkgs/development/compilers/openjdk/21/source.json
index 6e896ae41dfe..c157d6a64e4a 100644
--- a/pkgs/development/compilers/openjdk/21/source.json
+++ b/pkgs/development/compilers/openjdk/21/source.json
@@ -1,6 +1,6 @@
 {
-  "hash": "sha256-XxD5Tn5dMwirOoESCsza1dPvcgMF795Uh8YgaGUli1g=",
+  "hash": "sha256-vy4Q3hr3M+imeGnlZrpjG/tHFaVRelaVy4rtDAF6Z80=",
   "owner": "openjdk",
   "repo": "jdk21u",
-  "rev": "refs/tags/jdk-21.0.12+8"
+  "rev": "refs/tags/jdk-21.0.12.1+1"
 }