diff --git a/pkgs/tools/games/er-patcher/default.nix b/pkgs/tools/games/er-patcher/default.nix
index 084dfdcc1098..03881277749a 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 = "1.10.1-1";
+  version = "1.12-1";
 
   src = fetchFromGitHub {
     owner = "gurrgur";
     repo = "er-patcher";
     rev = "v${version}";
-    sha256 = "sha256-vSCZQBI9Q+7m+TT9pS7R5Fw3BgTxznbFAArJ7J6+tUQ=";
+    sha256 = "sha256-IN7JKaPexc6XLOymBWKbwtjhIlSEy3NhXoPpLiIc7qY=";
   };
 
   buildInputs = [