diff --git a/pkgs/applications/audio/drumkv1/default.nix b/pkgs/applications/audio/drumkv1/default.nix
index 9f2f4e2437b3..f9e224be71fa 100644
--- a/pkgs/applications/audio/drumkv1/default.nix
+++ b/pkgs/applications/audio/drumkv1/default.nix
@@ -15,11 +15,11 @@
 
 stdenv.mkDerivation rec {
   pname = "drumkv1";
-  version = "1.3.0";
+  version = "1.3.1";
 
   src = fetchurl {
     url = "mirror://sourceforge/drumkv1/drumkv1-${version}.tar.gz";
-    hash = "sha256-WcWhq1Li9dfj0piyW6F0mdfzcK+nvk5Rtl8pQZTYyt8=";
+    hash = "sha256-CzboTrMRxPr5O6caKrxW9X9uSi5Su5LRSQpwJBMGkGI=";
   };
 
   buildInputs = [