diff --git a/pkgs/servers/sql/postgresql/15.nix b/pkgs/servers/sql/postgresql/15.nix
index 3b654c8fee95..c9d7f2f22a2a 100644
--- a/pkgs/servers/sql/postgresql/15.nix
+++ b/pkgs/servers/sql/postgresql/15.nix
@@ -1,7 +1,8 @@
 import ./generic.nix {
-  version = "15.10";
-  rev = "ref/tags/REL_15_10";
-  hash = "sha256-5RNcoqcmcYCCBK8bmz2Wruky1mzDh5SrDF3OOV31GMw=";
+  version = "15.12";
+  # "Stamp 15.12"
+  rev = "50d3d22baba63613d1f1406b2ed460dc9b03c3fc";
+  hash = "sha256-6my9UzW05iYwTWR9y/VTZ1RQVNudavMFfUT9dpUQ15o=";
   muslPatches = {
     dont-use-locale-a = {
       url = "https://git.alpinelinux.org/aports/plain/main/postgresql15/dont-use-locale-a-on-musl.patch?id=f424e934e6d076c4ae065ce45e734aa283eecb9c";