diff --git a/tox.ini b/tox.ini
index 9f1cfb0b..f5779761 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,4 +18,5 @@ commands =
 [testenv:docs]
 deps =
   -rrequirements-docs.txt
+  tchannel[vcr]
 commands = make docs