diff --git a/CHANGELOG.md b/CHANGELOG.md
index 78738fa06fc..17a26565756 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## master (unreleased)
 
+## v2.2.9
+
 ### New features
 
 * [#569](https://github.com/xmake-io/xmake/pull/569): Add c++ modules build rules
@@ -654,6 +656,8 @@
 
 ## master (开发中)
 
+## v2.2.9
+
 ### 新特性
 
 * [#569](https://github.com/xmake-io/xmake/pull/569): 增加对c++模块的实验性支持
diff --git a/core/project.mak b/core/project.mak
index ec0cc9ea774..370df21af4f 100644
--- a/core/project.mak
+++ b/core/project.mak
@@ -10,7 +10,7 @@ PRO_VERSION_MAJOR 	= 2
 PRO_VERSION_MINOR 	= 2
 
 # the project alter version
-PRO_VERSION_ALTER 	= 8
+PRO_VERSION_ALTER 	= 9
 
 # the project prefix
 PRO_PREFIX 			= XM_
diff --git a/core/xmake.lua b/core/xmake.lua
index f7df1d28275..3eb575a7007 100644
--- a/core/xmake.lua
+++ b/core/xmake.lua
@@ -2,7 +2,7 @@
 set_project("xmake")
 
 -- version
-set_version("2.2.8", {build = "%Y%m%d%H%M"})
+set_version("2.2.9", {build = "%Y%m%d%H%M"})
 
 -- set xmake min version
 set_xmakever("2.2.3")
diff --git a/scripts/installer.nsi b/scripts/installer.nsi
index b469c00b5e7..a1d2b73ddc7 100644
--- a/scripts/installer.nsi
+++ b/scripts/installer.nsi
@@ -21,10 +21,10 @@
     !define MINOR 2
 !endif
 !ifndef ALTER
-    !define ALTER 8
+    !define ALTER 9
 !endif
 !ifndef BUILD
-    !define BUILD 201908260000
+    !define BUILD 201912200000
 !endif
 
 !define VERSION ${MAJOR}.${MINOR}.${ALTER}