diff --git a/pkgs/applications/emulators/libretro/cores/atari800.nix b/pkgs/applications/emulators/libretro/cores/atari800.nix
index d820b1072921..0c25ee669c5d 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-2026-01-30";
+  version = "0-unstable-2026-03-31";
 
   src = fetchFromGitHub {
     owner = "libretro";
     repo = "libretro-atari800";
-    rev = "d1d0d425458e6b5a2e51ad5f1507bdf97e857c95";
-    hash = "sha256-gu1S4pNVq0MCK/77oGI6ekP1Nten72R6Y1n64oK/IFc=";
+    rev = "a9b9c433d8cb6c8e8eb08d14d3e95b430549723a";
+    hash = "sha256-vPv6D+y+n9gMgC78cLBVeNLg3nGEAsTeBGFv+SWgH0A=";
   };
 
   makefile = "Makefile";