diff --git a/pkgs/tools/misc/pspg/default.nix b/pkgs/tools/misc/pspg/default.nix
index 04f1c5ec33e..a943f94a182 100644
--- a/pkgs/tools/misc/pspg/default.nix
+++ b/pkgs/tools/misc/pspg/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "pspg";
-  version = "4.0.1";
+  version = "4.2.1";
 
   src = fetchFromGitHub {
     owner = "okbob";
     repo = pname;
     rev = version;
-    sha256 = "sha256-YQrANrCd0nFdn98LfHH/Ishm+fDb12cUAkxlwtZ1ng8=";
+    sha256 = "sha256-r6qD7KyuBj67c+nhaRLHP5B46JV8VP9MKCloqYLua+Q=";
   };
 
   nativeBuildInputs = [ pkg-config ];