diff --git a/pkgs/applications/emulators/libretro/cores/hatari.nix b/pkgs/applications/emulators/libretro/cores/hatari.nix
index 56f9c0969af3..88480119bb42 100644
--- a/pkgs/applications/emulators/libretro/cores/hatari.nix
+++ b/pkgs/applications/emulators/libretro/cores/hatari.nix
@@ -6,13 +6,13 @@
 }:
 mkLibretroCore {
   core = "hatari";
-  version = "0-unstable-2026-03-31";
+  version = "0-unstable-2026-04-20";
 
   src = fetchFromGitHub {
     owner = "libretro";
     repo = "hatari";
-    rev = "00af13a379e7839399ff2939807f050b7fc49a0e";
-    hash = "sha256-mPe9+RX9DsrJkmydXqEBrR7EMwijhjj/yJPB2QlK3/U=";
+    rev = "6aa7c7079b3186025ebc6bad4b4251aa359a3947";
+    hash = "sha256-17L2EpLGwkWA/9XTgtIq+PNABGvgdBQDsAfAZFRKLOE=";
   };
 
   extraNativeBuildInputs = [ which ];