diff --git a/tox.ini b/tox.ini
index 4637a0cd..f6e1c436 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,6 +18,7 @@ deps =
 
 [testenv:WINDOWS]
 deps =
+    {[testenv]deps}
     -r{toxinidir}/requirements-windows.txt
 
 [flake8]