diff --git a/tox.ini b/tox.ini
index d1929412..6f66520f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -126,7 +126,7 @@ commands =
     sphinx-build --color -b man     -d build/.doctree aiosmtpd/docs build/man
 deps:
     colorama
-    -raiosmtpd/docs/RTD-requirements.txt
+    -raiosmtpd/docs/requirements.txt
 
 [testenv:static]
 basepython = python3