diff --git a/pkgs/development/python-modules/polyfactory/default.nix b/pkgs/development/python-modules/polyfactory/default.nix
index 79d6f98c9bca..2b7d81d99777 100644
--- a/pkgs/development/python-modules/polyfactory/default.nix
+++ b/pkgs/development/python-modules/polyfactory/default.nix
@@ -18,14 +18,14 @@
 
 buildPythonPackage rec {
   pname = "polyfactory";
-  version = "2.22.1";
+  version = "2.22.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "litestar-org";
     repo = "polyfactory";
     tag = "v${version}";
-    hash = "sha256-PzMl0LHBs3cmV4OEj/aTDq0peN/ALXNp5rijuTwU31A=";
+    hash = "sha256-Mm9Yj8yBaH1KQJxQJY/sbrkfL/eDpMyWd/9ThQfmzx8=";
   };
 
   build-system = [ hatchling ];