diff --git a/pkgs/development/python-modules/pglast/default.nix b/pkgs/development/python-modules/pglast/default.nix
index eef727937767..bc54c18ac81a 100644
--- a/pkgs/development/python-modules/pglast/default.nix
+++ b/pkgs/development/python-modules/pglast/default.nix
@@ -10,11 +10,11 @@
 
 buildPythonPackage rec {
   pname = "pglast";
-  version = "1.6";
+  version = "1.8";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "dcbd8061c553b90440741b77fbb274beca84716641a50be8675a6afe6dfbcea2";
+    sha256 = "115067100fbb9eb36f530d94b64b4e1e36a8d304537af0847d562ff9ed399c05";
   };
 
   disabled = !isPy3k;