diff --git a/pkgs/by-name/is/isle-portable/package.nix b/pkgs/by-name/is/isle-portable/package.nix
index 7241c59dde41..e1a4e0624dcc 100644
--- a/pkgs/by-name/is/isle-portable/package.nix
+++ b/pkgs/by-name/is/isle-portable/package.nix
@@ -29,13 +29,13 @@
 stdenv.mkDerivation (finalAttrs: {
   strictDeps = true;
   name = "isle-portable";
-  version = "0-unstable-2025-08-01";
+  version = "0-unstable-2025-08-12";
 
   src = fetchFromGitHub {
     owner = "isledecomp";
     repo = "isle-portable";
-    rev = "f2b6188d898256b041c9c3f843f4e12e3b465698";
-    hash = "sha256-ASLjeek5zRZG21ydqOsO3300KdIwFwVGYKo+pbrweUQ=";
+    rev = "f4a28f27f9d4b0e3511a86170d5b626c86720841";
+    hash = "sha256-IZoX6yu4edA8JR4Q2qsIHeQ4ygW/av2QdPScqJbHUi4=";
     fetchSubmodules = true;
   };