diff --git a/pkgs/applications/audio/qsynth/default.nix b/pkgs/applications/audio/qsynth/default.nix
index 71f41f87009e..f98547ed46f2 100644
--- a/pkgs/applications/audio/qsynth/default.nix
+++ b/pkgs/applications/audio/qsynth/default.nix
@@ -2,15 +2,15 @@
 
 stdenv.mkDerivation  rec {
   name = "qsynth-${version}";
-  version = "0.5.0";
+  version = "0.5.1";
 
   src = fetchurl {
     url = "mirror://sourceforge/qsynth/${name}.tar.gz";
-    sha256 = "1sr6vrz8z9r99j9xcix86lgcqldragb2ajmq1bnhr58d99sda584";
+    sha256 = "0kpk1rnhbifbvm4xvw8i0d4ksk78pf505qvg08k89kqkg32494ap";
   };
 
   # cmake is looking for qsynth.desktop.in and fails if it doesn't find it
-  # seems like a bug and can presumable go in the next version after 0.5.0
+  # seems like a bug and can presumable go in the next version after 0.5.1
   postPatch = ''
     mv src/qsynth.desktop src/qsynth.desktop.in
   '';