Update CMakeLists.txt
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0c45649..ff4ed73 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,7 +33,7 @@
     cmake_policy(SET CMP0042 NEW)
 endif()
 
-set(BRPC_VERSION 1.1.0)
+set(BRPC_VERSION 1.2.0)
 
 SET(CPACK_GENERATOR "DEB")
 SET(CPACK_DEBIAN_PACKAGE_MAINTAINER "brpc authors")