diff --git a/pkgs/applications/emulators/libretro/cores/mame.nix b/pkgs/applications/emulators/libretro/cores/mame.nix
index 99538b682af0..7d30ae2ed015 100644
--- a/pkgs/applications/emulators/libretro/cores/mame.nix
+++ b/pkgs/applications/emulators/libretro/cores/mame.nix
@@ -9,13 +9,13 @@
 }:
 mkLibretroCore {
   core = "mame";
-  version = "0-unstable-2026-04-23";
+  version = "0-unstable-2026-05-31";
 
   src = fetchFromGitHub {
     owner = "libretro";
     repo = "mame";
-    rev = "da690d2f5393a45e20ef941980e7d940fb9d2f19";
-    hash = "sha256-7OGD/OEAwVwT0Svepf1XtCqtWbLFXyFL8YTFqOOhVPc=";
+    rev = "2ffec28bcf65eceb395722c9d721e7d4523fbb56";
+    hash = "sha256-37SD78rFYgIoI7FDsgHhupYse8QbzwVRrJCXSVjpLCc=";
     fetchSubmodules = true;
   };