1 files changed, 1 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index 970a738d..d3f9a30f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,6 +11,7 @@ usedevelop = True
 deps =
     # https://requires.io/github/nedbat/coveragepy/requirements/
     pip==8.1.2
+    setuptools==25.1.1
     nose==1.3.7
     mock==2.0.0
     PyContracts==1.7.9