Bump v1.1.19
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cbb1e4b..fba45f5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.10)
 project(kvrocks
-        VERSION 1.1.18
+        VERSION 1.1.19
         DESCRIPTION "NoSQL which based on rocksdb and compatible with the Redis protocol"
         LANGUAGES CXX)
 
diff --git a/Changelog b/Changelog
index f220fc6..037bb2d 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,9 @@
+* Version 1.1.19 (@2020-06-22)
+	- FIX: missing blocking key in response
+	- FIX: use cpplint 1.5.0 && cpplint include order warning
+	- ADD: bitmap support redis bitmap format(string)
+    - FIX: add BEV_OPT_THREADSAFE option in connection
+
 * Version 1.1.18 (@2020-05-28)
 	- FIX: add missing bitmap and sortedint typeName
 	- FIX: ignore case in namespace sub_command