diff --git a/tox.ini b/tox.ini
index 80397c3d3..d71c795be 100644
--- a/tox.ini
+++ b/tox.ini
@@ -33,10 +33,10 @@ commands=
     make html
 
 [testenv:py31]
-deps=dev pylib
+deps=pylib
 
 [testenv:py32]
-deps=dev pylib
+deps=pylib
 
 [testenv:pypy]
 basepython=pypy-c