diff --git a/README.md b/README.md
index f529eb2..41b4958 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,8 @@ Official mongo plugin for dokku. Currently installs mongo 3.1.6.
 
 ## requirements
 
-- dokku 0.3.25+
-- docker 1.6.x
+- dokku 0.4.0+
+- docker 1.8.x
 
 ## installation