diff --git a/tox.ini b/tox.ini
index ea7dd36..c8cac6a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{27,34,35}-sphinx{13,14,15}
+    py{27,34,35}-sphinx{14,15}
     lint
     docs