diff --git a/pkgs/development/python-modules/drf-pydantic/default.nix b/pkgs/development/python-modules/drf-pydantic/default.nix
index 2be1211baed3..826a1b2ebe3b 100644
--- a/pkgs/development/python-modules/drf-pydantic/default.nix
+++ b/pkgs/development/python-modules/drf-pydantic/default.nix
@@ -11,14 +11,14 @@
 
 buildPythonPackage rec {
   pname = "drf-pydantic";
-  version = "2.9.0";
+  version = "2.9.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "georgebv";
     repo = "drf-pydantic";
     tag = "v${version}";
-    hash = "sha256-RvDTequtxHyCsXV8IpNWdYNzdjkKEr8aAyS3ZFZTW1A=";
+    hash = "sha256-/dMhKlAMAh63JlhanfSfe15ECMZvtnd1huD8L3Xo2AQ=";
   };
 
   build-system = [