diff --git a/nb4a.properties b/nb4a.properties
index d3d1069..b1e89ce 100644
--- a/nb4a.properties
+++ b/nb4a.properties
@@ -1,3 +1,3 @@
 PACKAGE_NAME=moe.nb4a
-VERSION_NAME=0.8
-VERSION_CODE=8
+VERSION_NAME=0.9
+VERSION_CODE=9