diff --git a/pkgs/applications/emulators/libretro/cores/mame2000.nix b/pkgs/applications/emulators/libretro/cores/mame2000.nix
index f8a651a68410..90a62b154f71 100644
--- a/pkgs/applications/emulators/libretro/cores/mame2000.nix
+++ b/pkgs/applications/emulators/libretro/cores/mame2000.nix
@@ -6,13 +6,13 @@
 }:
 mkLibretroCore {
   core = "mame2000";
-  version = "0-unstable-2026-06-15";
+  version = "0-unstable-2026-07-28";
 
   src = fetchFromGitHub {
     owner = "libretro";
     repo = "mame2000-libretro";
-    rev = "131ae96d72a613451517fa2eca0b598b2b266a94";
-    hash = "sha256-fbOGMebiqckcwPk81YrdSHwti6qrLSxB3qYSY8SEqRs=";
+    rev = "f099ba44c7664906fd7e01cbed89d13a7e32dee1";
+    hash = "sha256-6DhPtvN8CzZl+jJ2ygQdvIJjvjA5Bqjho6KWGyJvOwQ=";
   };
 
   makefile = "Makefile";