diff --git a/pkgs/applications/emulators/libretro/cores/atari800.nix b/pkgs/applications/emulators/libretro/cores/atari800.nix
index d749224cb248..bc60a5474c2d 100644
--- a/pkgs/applications/emulators/libretro/cores/atari800.nix
+++ b/pkgs/applications/emulators/libretro/cores/atari800.nix
@@ -5,13 +5,13 @@
 }:
 mkLibretroCore rec {
   core = "atari800";
-  version = "0-unstable-2024-10-31";
+  version = "0-unstable-2025-12-04";
 
   src = fetchFromGitHub {
     owner = "libretro";
     repo = "libretro-atari800";
-    rev = "6a18cb23cc4a7cecabd9b16143d2d7332ae8d44b";
-    hash = "sha256-+cZXHtaXnpU/zCwiDtjkyNMFGDahiHzqV2FoTCRnUWE=";
+    rev = "630f2346a1dabefdcf534880a48e3e200e2cc551";
+    hash = "sha256-mCno2DHQXCJO2gStyp1te2XEUlrbX2iW3xIUOvZdoB0=";
   };
 
   makefile = "Makefile";