diff --git a/CMakeLists.txt b/CMakeLists.txt
index a7f71a0a70..a62f7eeee8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,7 +39,7 @@ endif()
 project (Cocos2d-X)
 
 # The version number
-set(COCOS2D_X_VERSION 3.11)
+set(COCOS2D_X_VERSION 3.12)
 
 # define some variables
 
diff --git a/cocos/cocos2d.cpp b/cocos/cocos2d.cpp
index 02c8f1b20f..bdac5d1523 100644
--- a/cocos/cocos2d.cpp
+++ b/cocos/cocos2d.cpp
@@ -31,7 +31,7 @@ NS_CC_BEGIN
 
 CC_DLL const char* cocos2dVersion()
 {
-    return "cocos2d-x-3.11.1";
+    return "cocos2d-x-3.12";
 }
 
 NS_CC_END
diff --git a/cocos/cocos2d.h b/cocos/cocos2d.h
index 7e8cd7d6ec..3064be350f 100644
--- a/cocos/cocos2d.h
+++ b/cocos/cocos2d.h
@@ -30,7 +30,7 @@ THE SOFTWARE.
 
 // 0x00 HI ME LO
 // 00   03 08 00
-#define COCOS2D_VERSION 0x00031101
+#define COCOS2D_VERSION 0x00031200
 
 //
 // all cocos2d include files