diff --git a/pkgs/development/python-modules/pg8000/default.nix b/pkgs/development/python-modules/pg8000/default.nix
index a03452d7862801..958d3b7655926d 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 = "1.19.2";
+  version = "1.19.4";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-RMu008kS8toWfKAr+YoAQPfpMmDk7xFMKNXWFSAS6gc=";
+    sha256 = "sha256-fJxtV1QbDyFT4jqNdZzrPXy5MIkY+6atnpL44OWpC8g=";
   };
 
   propagatedBuildInputs = [