1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 3745940f..f9b7824f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -22,5 +22,5 @@ commands =
   {[testenv]commands}
 
 [testenv:cov]
-deps = coverage
+deps = coverage==4.2
 commands = coverage xml --omit="*test*,*__init__.py,*site-packages*"