diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ed2591a63d1..32d9f99db0c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -124,6 +124,8 @@ in {
     venvShellHook
     wheelUnpackHook;
 
+  pytest_6_1CheckHook = self.pytestCheckHook.override { pytest = self.pytest_6_1; };
+
   # helpers
 
   # We use build packages because we are making a setup hook to be used as a