diff --git a/.gitignore b/.gitignore
index ef571fde69..eaf774122c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /.project
 /.classpath
 /1
+/derby.log
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index c6494d335d..ba5c05be19 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
 	<groupId>com.alibaba</groupId>
 	<artifactId>druid</artifactId>
-	<version>0.2.3</version>
+	<version>0.2.4-SNAPSHOT</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 e3ab64a16d..817c8d6ac8 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    = 0;
     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;