diff --git a/pkgs/development/tools/initool/default.nix b/pkgs/development/tools/initool/default.nix
index ca6c88254e07..d13158feb55f 100644
--- a/pkgs/development/tools/initool/default.nix
+++ b/pkgs/development/tools/initool/default.nix
@@ -6,13 +6,13 @@
 
 stdenv.mkDerivation rec {
   pname = "initool";
-  version = "0.12.0";
+  version = "0.13.0";
 
   src = fetchFromGitHub {
     owner = "dbohdan";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-LV8Rv+7oUJ/4BX412WD1+Cs7N86OiXutN2ViAmo5jlE=";
+    hash = "sha256-99dkog0fr+IrMyrEBDf21tSGGREgAoHcU2+MJdGIvCM=";
   };
 
   nativeBuildInputs = [ mlton ];