diff --git a/pkgs/development/python-modules/requests-aws4auth/default.nix b/pkgs/development/python-modules/requests-aws4auth/default.nix
index d2de7dff212..c38309f6d8d 100644
--- a/pkgs/development/python-modules/requests-aws4auth/default.nix
+++ b/pkgs/development/python-modules/requests-aws4auth/default.nix
@@ -24,14 +24,17 @@ buildPythonPackage rec {
   };
 
   propagatedBuildInputs = [
-    httpx
     requests
     six
   ];
 
+  passthru.extras-require = {
+    httpx = [ httpx ];
+  };
+
   checkInputs = [
     pytestCheckHook
-  ];
+  ] ++ passthru.extras-require.httpx;
 
   pythonImportsCheck = [
     "requests_aws4auth"