diff --git a/pkgs/tools/misc/pspg/default.nix b/pkgs/tools/misc/pspg/default.nix
index 3fdca1c58919..a231775c5839 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 = "5.5.8";
+  version = "5.5.9";
 
   src = fetchFromGitHub {
     owner = "okbob";
     repo = pname;
     rev = version;
-    sha256 = "sha256-D7aQXP95ax1m4Tmm6ipOLen4WnFcyn4HU0BkTEPCcj4=";
+    sha256 = "sha256-/tzv5/UvIkIUbFAlbNUDSd90DvpjGPcMh5ooDfZal80=";
   };
 
   nativeBuildInputs = [ pkg-config installShellFiles ];