Release 1.9.0
diff --git a/CMakeLists.txt b/CMakeLists.txt
index eaae961..b14fe17 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,7 +36,7 @@
     cmake_policy(SET CMP0042 NEW)
 endif()
 
-set(BRPC_VERSION 1.8.0)
+set(BRPC_VERSION 1.9.0)
 
 SET(CPACK_GENERATOR "DEB")
 SET(CPACK_DEBIAN_PACKAGE_MAINTAINER "brpc authors")
diff --git a/RELEASE_VERSION b/RELEASE_VERSION
index 27f9cd3..f8e233b 100644
--- a/RELEASE_VERSION
+++ b/RELEASE_VERSION
@@ -1 +1 @@
-1.8.0
+1.9.0
diff --git a/package/rpm/brpc.spec b/package/rpm/brpc.spec
index c9fe0b1..22b3df7 100644
--- a/package/rpm/brpc.spec
+++ b/package/rpm/brpc.spec
@@ -18,7 +18,7 @@
 #
 
 Name:		brpc
-Version:	1.8.0
+Version:	1.9.0
 Release:	1%{?dist}
 Summary:	Industrial-grade RPC framework using C++ Language.