diff --git a/tox.ini b/tox.ini
index a6e5828644..a56b82cbe8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -139,6 +139,7 @@ commands =
 
 [testenv:venv]
 deps =
+  -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/doc/requirements.txt
 commands =