1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index e404b29f4..40711a5f2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -26,7 +26,7 @@ deps =
     repoze.sphinx.autointerface
     virtualenv
     nose
-    coverage
+    coverage==3.4
     nosexcover
 
 # we separate coverage into its own testenv because a) "last run wins" wrt