diff --git a/setup.cfg b/setup.cfg
index dc675c6..9359646 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -47,8 +47,13 @@ install_requires =
 [options.extras_require]
 benchmarks =
     asv[virtualenv] ~= 0.6.0, < 0.6.2
+test =
+    pytest-cov
+    pytest-mock
+    pytest-rerunfailures
 devel =
     %(benchmarks)s
+    %(test)s
     pre-commit
 all =
     %(devel)s