diff --git a/pkgs/tools/misc/pspg/default.nix b/pkgs/tools/misc/pspg/default.nix
index ecf59bc47c4a..d4f4c85610f6 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 = "5.4.1";
+  version = "5.5.0";
 
   src = fetchFromGitHub {
     owner = "okbob";
     repo = pname;
     rev = version;
-    sha256 = "1pi9dbjhd2mj11p3hx74f3rr8ysriq7sy2x012r0kil3b5xzpv2p";
+    sha256 = "sha256-zrnmhv+dc2Om1FE5TeoYCOjKGs2+mfMqcaRaTakHxAQ=";
   };
 
   nativeBuildInputs = [ pkg-config installShellFiles ];