diff --git a/pkgs/applications/audio/furnace/default.nix b/pkgs/applications/audio/furnace/default.nix
index cbd15248fee6..08c0e2f0ba66 100644
--- a/pkgs/applications/audio/furnace/default.nix
+++ b/pkgs/applications/audio/furnace/default.nix
@@ -21,14 +21,14 @@
 
 stdenv.mkDerivation rec {
   pname = "furnace";
-  version = "0.6pre1";
+  version = "0.6pre1.5";
 
   src = fetchFromGitHub {
     owner = "tildearrow";
     repo = "furnace";
     rev = "v${version}";
     fetchSubmodules = true;
-    sha256 = "sha256-7MrzSC8PYQ4X8fyX1hB8mOoSCtLpY+o1x42v9HLdoao=";
+    sha256 = "sha256-2Bl6CFZJkhdNxMZiJ392zjcVMu8BgyK58R8aE4ToskY=";
   };
 
   nativeBuildInputs = [