diff --git a/version b/version
index 07985001..540e9134 100644
--- a/version
+++ b/version
@@ -1,5 +1,5 @@
 
 # Copyright (C) NGINX, Inc.
 
-NXT_VERSION=1.8.0
-NXT_VERNUM=10800
+NXT_VERSION=1.9.0
+NXT_VERNUM=10900