diff --git a/tox.ini b/tox.ini
index a3be22a4c2..a96ac8916f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -57,11 +57,7 @@ commands =
 
 [testenv:docs]
 deps =
-    sphinx-rtd-theme==3.1.0
-    sphinxcontrib-googleanalytics
-    sphinx-notfound-page
-    sphinx-copybutton
-    restructuredtext-lint
+    -r docs/requirements.txt
 change_dir = docs
 commands =
     sphinx-build -b html . _build/html