update README
diff --git a/README.md b/README.md
index ee3ed17..9165c9b 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@
 
         {
             "require": {
-                "predictionio/predictionio": "~0.8.2"
+                "predictionio/predictionio": "~0.9.0"
             }
         }