diff --git a/pkgs/development/python-modules/pytest-codspeed/default.nix b/pkgs/development/python-modules/pytest-codspeed/default.nix
index f8c88f44065f..edf811929e82 100644
--- a/pkgs/development/python-modules/pytest-codspeed/default.nix
+++ b/pkgs/development/python-modules/pytest-codspeed/default.nix
@@ -30,7 +30,7 @@ buildPythonPackage rec {
 
   build-system = [ hatchling ];
 
-  buildInput = [ pytest ];
+  buildInputs = [ pytest ];
 
   dependencies = [
     cffi