diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3829a91e7a2..dc9cafa3cb0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8266,6 +8266,7 @@ in {
         pytestcov
         pytestflakes
         pytestpep8
+        pytest
         mock
       ]
       # pathlib was made part of standard library in 3.5: