diff --git a/tox.ini b/tox.ini
index 172bb4c5..d2fffe23 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,6 +21,9 @@ usedevelop = True
 deps =
     isort
     flake8
+    yapf
+    pylint
+    pytest
 commands = python --version
 
 [testenv:docs]