diff --git a/tox.ini b/tox.ini
index 4fd0648a893..f9f44eaa08a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,6 +31,7 @@ deps =
     nose
     NoseHTML
     mock
+    mock-ssh-server
 
 # Setup tox environments for linting all of Galaxy for imports and
 # just a subset we expect to pass (the include import list). Once the