diff --git a/tox.ini b/tox.ini
index 922432d67..8dd113602 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,7 +15,7 @@ deps =
     du13: docutils==0.13.1
     du14: docutils==0.14
     du15: docutils==0.15
-    du16: docutils==0.16b0.dev0
+    du16: docutils==0.16rc1
 extras =
     test
 setenv =