diff --git a/lib/webmagic-core-0.4.0.jar b/lib/webmagic-core-0.4.2.jar
similarity index 55%
rename from lib/webmagic-core-0.4.0.jar
rename to lib/webmagic-core-0.4.2.jar
index 1f5eb8dd..0f07572e 100644
Binary files a/lib/webmagic-core-0.4.0.jar and b/lib/webmagic-core-0.4.2.jar differ
diff --git a/lib/webmagic-extension-0.4.0.jar b/lib/webmagic-extension-0.4.2.jar
similarity index 55%
rename from lib/webmagic-extension-0.4.0.jar
rename to lib/webmagic-extension-0.4.2.jar
index 3adffcbd..a19fa631 100644
Binary files a/lib/webmagic-extension-0.4.0.jar and b/lib/webmagic-extension-0.4.2.jar differ
diff --git a/pom.xml b/pom.xml
index 3d488ae5..d3a29285 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
         <version>7</version>
     </parent>
     <groupId>us.codecraft</groupId>
-    <version>0.4.3-SNAPSHOT</version>
+    <version>0.4.2</version>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
     <properties>
@@ -48,6 +48,7 @@
     <modules>
         <module>webmagic-core</module>
         <module>webmagic-extension/</module>
+        <module>webmagic-samples/</module>
     </modules>
 
     <dependencyManagement>
diff --git a/webmagic-core/pom.xml b/webmagic-core/pom.xml
index 914bfdab..8f4630fd 100644
--- a/webmagic-core/pom.xml
+++ b/webmagic-core/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>us.codecraft</groupId>
         <artifactId>webmagic-parent</artifactId>
-        <version>0.4.3-SNAPSHOT</version>
+        <version>0.4.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -63,4 +63,4 @@
 
     </dependencies>
 
-</project>
\ No newline at end of file
+</project>
diff --git a/webmagic-extension/pom.xml b/webmagic-extension/pom.xml
index c6af14f6..80bf6da5 100644
--- a/webmagic-extension/pom.xml
+++ b/webmagic-extension/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>us.codecraft</groupId>
         <artifactId>webmagic-parent</artifactId>
-        <version>0.4.3-SNAPSHOT</version>
+        <version>0.4.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -36,4 +36,4 @@
         </dependency>
     </dependencies>
 
-</project>
\ No newline at end of file
+</project>
diff --git a/webmagic-scripts/pom.xml b/webmagic-scripts/pom.xml
index 1c65513d..97260a58 100644
--- a/webmagic-scripts/pom.xml
+++ b/webmagic-scripts/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.4.3-SNAPSHOT</version>
+        <version>0.4.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -91,4 +91,4 @@
     </build>
 
 
-</project>
\ No newline at end of file
+</project>