diff --git a/pkgs/games/otto-matic/default.nix b/pkgs/games/otto-matic/default.nix
index 17b63b263029..a3d75bc34aa0 100644
--- a/pkgs/games/otto-matic/default.nix
+++ b/pkgs/games/otto-matic/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "OttoMatic";
-  version = "4.0.0";
+  version = "4.0.1";
 
   src = fetchFromGitHub {
     owner = "jorio";
     repo = pname;
     rev = version;
-    sha256 = "sha256-eHy5yED5qrgHqKuqq1dXhmuR2PQBE5aMhSLPoydlpPk=";
+    sha256 = "sha256-0mqOAdAmJGxKa6yXktrbmdXkoQIliimq37iy9bCBZYg=";
     fetchSubmodules = true;
   };