diff --git a/pkgs/development/python-modules/pytest-repeat/default.nix b/pkgs/development/python-modules/pytest-repeat/default.nix
index 0669c22f921..afd36155cf7 100644
--- a/pkgs/development/python-modules/pytest-repeat/default.nix
+++ b/pkgs/development/python-modules/pytest-repeat/default.nix
@@ -24,7 +24,8 @@ buildPythonPackage rec {
     })
   ];
 
-  buildInputs = [ setuptools_scm pytest ];
+  buildInputs = [ setuptools_scm ];
+  checkInputs = [ pytest ];
 
   checkPhase = ''
     py.test