diff --git a/pkgs/development/python-modules/httpx2/default.nix b/pkgs/development/python-modules/httpx2/default.nix
index a92c7ccb868d..c42cecc82b5b 100644
--- a/pkgs/development/python-modules/httpx2/default.nix
+++ b/pkgs/development/python-modules/httpx2/default.nix
@@ -42,14 +42,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "httpx2";
-  version = "2.9.1";
+  version = "2.12.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pydantic";
     repo = "httpx2";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-3kghDQMYksF9a4sFGajzNfGPOjdX1OiMwv7rH/fbmM0=";
+    hash = "sha256-mEJHlG6skKkV90SfjTg+MHGkL7gnf3QLKLbWlTtEb9Q=";
   };
 
   postPatch = ''