diff --git a/pom.xml b/pom.xml
index e9a6f1cf4d..9a2b119b7e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.alibaba</groupId>
 	<artifactId>druid</artifactId>
-	<version>1.2.3</version>
+	<version>1.2.4_preview_01</version>
 
 	<packaging>jar</packaging>
 	<name>druid</name>
diff --git a/src/main/java/com/alibaba/druid/VERSION.java b/src/main/java/com/alibaba/druid/VERSION.java
index 4d7afb2db3..2ea5c049e1 100644
--- a/src/main/java/com/alibaba/druid/VERSION.java
+++ b/src/main/java/com/alibaba/druid/VERSION.java
@@ -19,7 +19,7 @@ public final class VERSION {
 
     public final static int MajorVersion    = 1;
     public final static int MinorVersion    = 2;
-    public final static int RevisionVersion = 3;
+    public final static int RevisionVersion = 4;
 
     public static String getVersionNumber() {
         return VERSION.MajorVersion + "." + VERSION.MinorVersion + "." + VERSION.RevisionVersion;