diff --git a/pkgs/applications/audio/pt2-clone/default.nix b/pkgs/applications/audio/pt2-clone/default.nix
index 5cd2a2687889..e3a2fa0333b1 100644
--- a/pkgs/applications/audio/pt2-clone/default.nix
+++ b/pkgs/applications/audio/pt2-clone/default.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation rec {
   pname = "pt2-clone";
-  version = "1.55";
+  version = "1.56";
 
   src = fetchFromGitHub {
     owner = "8bitbubsy";
     repo = "pt2-clone";
     rev = "v${version}";
-    sha256 = "sha256-NwkHb0FOg9wAgtcEtWqOpNGvBXjQIoc4pMmf/32Gxr0=";
+    sha256 = "sha256-NetzlQdhbyClnVQTrHoX9QpVtoj8a8FoDue+uxhgrlA=";
   };
 
   nativeBuildInputs = [ cmake ];