diff --git a/pkgs/development/python-modules/pglast/default.nix b/pkgs/development/python-modules/pglast/default.nix
index 7c0f38b525d6..81445ebdeded 100644
--- a/pkgs/development/python-modules/pglast/default.nix
+++ b/pkgs/development/python-modules/pglast/default.nix
@@ -8,14 +8,14 @@
 
 buildPythonPackage rec {
   pname = "pglast";
-  version = "5.0";
+  version = "5.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-bR/e5pZCrnMCUt9zEszI0aVlqezTzwR3DIdpXv/6qGM=";
+    hash = "sha256-fHWJWgy/Ven5m2Cf81rG/ZKmFFWiLJsIPVxFe+rr+ms=";
   };
 
   propagatedBuildInputs = [