diff --git a/pkgs/tools/games/er-patcher/default.nix b/pkgs/tools/games/er-patcher/default.nix
index 983efcded336..79ba027d4c96 100644
--- a/pkgs/tools/games/er-patcher/default.nix
+++ b/pkgs/tools/games/er-patcher/default.nix
@@ -6,13 +6,13 @@
 
 stdenvNoCC.mkDerivation rec {
   pname = "er-patcher";
-  version = "1.12-2";
+  version = "1.12-3";
 
   src = fetchFromGitHub {
     owner = "gurrgur";
     repo = "er-patcher";
     rev = "v${version}";
-    sha256 = "sha256-C+QtPpvEuYAYxYGs2lbYLaYkDge6r0RNCISglkQpjEQ=";
+    sha256 = "sha256-D+XYZI3kmK5sb+i8RxtODTvbTgzhpDzwB/JM61ddcTA=";
   };
 
   buildInputs = [