diff --git a/pkgs/development/python-modules/polyfactory/default.nix b/pkgs/development/python-modules/polyfactory/default.nix
index d3e1fb11e33d..dccb8016bd49 100644
--- a/pkgs/development/python-modules/polyfactory/default.nix
+++ b/pkgs/development/python-modules/polyfactory/default.nix
@@ -19,14 +19,14 @@
 
 buildPythonPackage rec {
   pname = "polyfactory";
-  version = "2.18.1-unstable-2024-12-22";
+  version = "2.19.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "litestar-org";
     repo = "polyfactory";
-    rev = "d6a886a4f3b33c77774e14ec190531128ce504c2";
-    hash = "sha256-w13pgxVAUY/THSpwktqVgfQiGeSar9iGpzXeWv6I/vA=";
+    tag = "v${version}";
+    hash = "sha256-0VsH2J+vEk3cF7AYvirnXPupSLE2EGrp9FF+/EOWAbw=";
   };
 
   build-system = [ hatchling ];