diff --git a/pkgs/development/libraries/libsidplayfp/default.nix b/pkgs/development/libraries/libsidplayfp/default.nix
index 315530bcfab..84d0f01c154 100644
--- a/pkgs/development/libraries/libsidplayfp/default.nix
+++ b/pkgs/development/libraries/libsidplayfp/default.nix
@@ -16,14 +16,14 @@
 
 stdenv.mkDerivation rec {
   pname = "libsidplayfp";
-  version = "2.4.1";
+  version = "2.4.2";
 
   src = fetchFromGitHub {
     owner = "libsidplayfp";
     repo = "libsidplayfp";
     rev = "v${version}";
     fetchSubmodules = true;
-    sha256 = "sha256-stfpyJC1AVmDh1Nk5c5Lv0j6ic2AU6mwY02L/IDr8tE=";
+    sha256 = "sha256-e+blEdO2KA/noW9pq56qZ0/vvtqQwiDbBJoQR0cQeds=";
   };
 
   postPatch = ''