diff --git a/pkgs/development/python-modules/pglast/default.nix b/pkgs/development/python-modules/pglast/default.nix
index ad8c7f1b2628..d5c2893652d4 100644
--- a/pkgs/development/python-modules/pglast/default.nix
+++ b/pkgs/development/python-modules/pglast/default.nix
@@ -10,14 +10,14 @@
 
 buildPythonPackage rec {
   pname = "pglast";
-  version = "7.2";
+  version = "7.3";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-wOlhmlivkyO79Rr4tUcmOPGro5FmZfC2VA5GOHgxcr4=";
+    hash = "sha256-jl0LSJGJlKYU1eX7y1ElDNbtkORo7grR3Bz5Ot5pabA=";
   };
 
   build-system = [ setuptools ];