1 files changed, 1 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 2a03aec8..9260e5a0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,6 +10,7 @@ usedevelop = True
 
 deps =
     # https://requires.io/github/nedbat/coveragepy/requirements/
+    pip==8.0.3
     nose==1.3.7
     mock==1.3.0
     PyContracts==1.7.9