diff --git a/pkgs/applications/audio/drumkv1/default.nix b/pkgs/applications/audio/drumkv1/default.nix
index 2348696dc86..fd5cc4a416e 100644
--- a/pkgs/applications/audio/drumkv1/default.nix
+++ b/pkgs/applications/audio/drumkv1/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "drumkv1-${version}";
-  version = "0.9.3";
+  version = "0.9.4";
 
   src = fetchurl {
     url = "mirror://sourceforge/drumkv1/${name}.tar.gz";
-    sha256 = "0a38vpyyppjdwifidrhgj4bnsx4jjx413657s59j0r4q8rg55jca";
+    sha256 = "02j10khl3wd17z0wfs3crr55wv7h9f0qhhg90xg0kvrxvw83vzy9";
   };
 
   buildInputs = [ libjack2 alsaLib libsndfile liblo lv2 qt5.qtbase qt5.qttools ];