diff --git a/tox.ini b/tox.ini
index f3f92ae5..bf31fc6a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,7 +8,6 @@ max-complexity = 10
 [testenv]
 usedevelop=True
 deps=
-    py==1.4.26
     pytest
 commands=
     test: py.test []