diff --git a/pkgs/applications/emulators/libretro/cores/atari800.nix b/pkgs/applications/emulators/libretro/cores/atari800.nix
index e21e581b2d62..9068c73de8c0 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-2026-07-10";
+  version = "0-unstable-2026-07-15";
 
   src = fetchFromGitHub {
     owner = "libretro";
     repo = "libretro-atari800";
-    rev = "3f036fd69a0f0948d32a9a7cd97af3e0dd7ec434";
-    hash = "sha256-WnozEFNpW6qmSsQGTKzflitG6TVaozyOMcnAka+E1fE=";
+    rev = "9d3bcf283502512052e21c6f1453fbdf7aa3122b";
+    hash = "sha256-uLMQWi+Z21irwkFBArlHNXILintSWF7PfGy5bgKmAhQ=";
   };
 
   makefile = "Makefile";