diff --git a/pkgs/applications/audio/seq66/default.nix b/pkgs/applications/audio/seq66/default.nix
index e5a3d4459cc1..e4d794153a02 100644
--- a/pkgs/applications/audio/seq66/default.nix
+++ b/pkgs/applications/audio/seq66/default.nix
@@ -4,13 +4,13 @@
 
 stdenv.mkDerivation rec {
   pname = "seq66";
-  version = "0.99.17";
+  version = "0.99.18";
 
   src = fetchFromGitHub {
     owner = "ahlstromcj";
     repo = "seq66";
     rev = version;
-    hash = "sha256-xGJL6fAk4wTOPI7k3mA0DbVh51dru4gxaJlad00hBiM=";
+    hash = "sha256-iD6XKYisbEh+U4LaR7VKmpsQTnZVEjtKxvSwhpAqb5U=";
   };
 
   nativeBuildInputs = [ autoreconfHook pkg-config qttools which wrapQtAppsHook ];