diff --git a/default.nix b/default.nix
index 0c6f148..253d396 100644
--- a/default.nix
+++ b/default.nix
@@ -14,9 +14,9 @@ self: super: rec {
             sha256 = "sha256-huKgvgCL/eGe94OI3opyWh2UKpGQykMcJKYIN5c4A84=";
           };
           checkInputs = [
-            pytest-asyncio
-            pytest-benchmark
-            pytestCheckHook
+            python-super.pytest-asyncio
+            python-super.pytest-benchmark
+            python-super.pytestCheckHook
           ];
           pythonImportsCheck = [
             "graphql"