diff --git a/pkgs/tools/misc/pspg/default.nix b/pkgs/tools/misc/pspg/default.nix
index 63acdbfc13b..4af7a0009af 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 = "3.1.2";
+  version = "3.1.3";
 
   src = fetchFromGitHub {
     owner = "okbob";
     repo = pname;
     rev = version;
-    sha256 = "1x4x93c8qqalrhaah1rmrspr4gjcgf1sg6kplf9rg1c42mk672f8";
+    sha256 = "16pajhzr4aahyhdzkp9g3ld2insnlk2z2w2pfab8bghw4f69j5xf";
   };
 
   nativeBuildInputs = [ pkgconfig ];