diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 36773fe6055..906642dd0bc 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4374,7 +4374,7 @@ in modules // {
     };
   };
 
-  pytest = self.pytest_27;
+  pytest = self.pytest_29;
 
   pytest_27 = buildPythonPackage rec {
     name = "pytest-2.7.3";