diff --git a/pkgs/by-name/it/itgmania/package.nix b/pkgs/by-name/it/itgmania/package.nix
index 2f34f246d5fa..9247d8596b47 100644
--- a/pkgs/by-name/it/itgmania/package.nix
+++ b/pkgs/by-name/it/itgmania/package.nix
@@ -23,14 +23,14 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "itgmania";
-  version = "0.9.0";
+  version = "1.0.0";
 
   src = fetchFromGitHub {
     owner = "itgmania";
     repo = "itgmania";
     rev = "v${finalAttrs.version}";
     fetchSubmodules = true;
-    hash = "sha256-SAEYkAPNUjGNfNnHfwyOj65i2SpEX0ct/fREob5/6fI=";
+    hash = "sha256-GzpsyyjR7NhgCQ9D7q8G4YU7HhV1C1es1C1355gHnV8=";
   };
 
   nativeBuildInputs = [