diff --git a/pkgs/development/python-modules/pg8000/default.nix b/pkgs/development/python-modules/pg8000/default.nix
index 07efa604cad0..d8a002231057 100644
--- a/pkgs/development/python-modules/pg8000/default.nix
+++ b/pkgs/development/python-modules/pg8000/default.nix
@@ -8,12 +8,12 @@
 
 buildPythonPackage rec {
   pname = "pg8000";
-  version = "1.21.0";
+  version = "1.21.1";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1msj0vk14fbsis8yfk0my1ygpcli9jz3ivwdi9k6ii5i6330i4f9";
+    sha256 = "sha256-HMvuyTtw4uhTLfOr3caQXHghkJyW3Oqu91G1fFKRhpo=";
   };
 
   propagatedBuildInputs = [