diff --git a/setup.cfg b/setup.cfg
index 9359646..f61bbd4 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -48,6 +48,7 @@ install_requires =
 benchmarks =
     asv[virtualenv] ~= 0.6.0, < 0.6.2
 test =
+    pytest
     pytest-cov
     pytest-mock
     pytest-rerunfailures
diff --git a/tox.ini b/tox.ini
index 07fd4c6..c0dfbd2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,10 +7,8 @@ minversion = 3.3.0
 [testenv]
 deps =
     dev: joblib @ git+https://github.com/joblib/joblib.git
-    pytest
-    pytest-cov
-    pytest-mock
-    pytest-rerunfailures
+extras =
+    test
 commands =
     pytest --pyargs {posargs} fscacher