1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index bc734f79..31e1f0be 100644
--- a/tox.ini
+++ b/tox.ini
@@ -29,7 +29,7 @@ deps =
     py26: unittest2==1.1.0
     py26,py27: gevent==1.0.2
     py26,py27: eventlet==0.17.4
-    py26,py27,py33,py34,py35: greenlet==0.4.7
+    py26,py27,py33,py34,py35: greenlet==0.4.9
 
 setenv =
     pypy,pypy24,pypy26,pypy3_24: COVERAGE_NO_EXTENSION=no C extensions under PyPy