diff --git a/pkgs/by-name/sy/synthv1/package.nix b/pkgs/by-name/sy/synthv1/package.nix
index b8c26a5d5eb9..ff1beba9404b 100644
--- a/pkgs/by-name/sy/synthv1/package.nix
+++ b/pkgs/by-name/sy/synthv1/package.nix
@@ -13,11 +13,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "synthv1";
-  version = "1.4.1";
+  version = "1.4.2";
 
   src = fetchurl {
     url = "mirror://sourceforge/synthv1/synthv1-${finalAttrs.version}.tar.gz";
-    hash = "sha256-z4jy6Zo7LaYLf3QoAXl0MvZ9rcZWThWwChGDJBY0HYg=";
+    hash = "sha256-eoW1Yl/v1LsdvcQen7/LLDt5Q9Yd4kwX3W+CIjQEfYE=";
   };
 
   postPatch = ''