diff --git a/README.md b/README.md
index cdca6232..5d60572a 100644
--- a/README.md
+++ b/README.md
@@ -24,12 +24,12 @@ Add dependencies to your pom.xml:
 		<dependency>
             <groupId>us.codecraft</groupId>
             <artifactId>webmagic-core</artifactId>
-            <version>0.4.1</version>
+            <version>0.4.2</version>
         </dependency>
 		<dependency>
             <groupId>us.codecraft</groupId>
             <artifactId>webmagic-extension</artifactId>
-            <version>0.4.1</version>
+            <version>0.4.2</version>
         </dependency>
 
 ## Get Started:
diff --git a/en_docs/README.md b/en_docs/README.md
index 82b82a81..684da90d 100644
--- a/en_docs/README.md
+++ b/en_docs/README.md
@@ -28,12 +28,12 @@ Add dependencies to your project:
 		<dependency>
             <groupId>us.codecraft</groupId>
             <artifactId>webmagic-core</artifactId>
-            <version>0.4.0</version>
+            <version>0.4.2</version>
         </dependency>
 		<dependency>
             <groupId>us.codecraft</groupId>
             <artifactId>webmagic-extension</artifactId>
-            <version>0.4.0</version>
+            <version>0.4.2</version>
         </dependency>
 
 ## Get Started:
diff --git a/user-manual.md b/user-manual.md
index 5963df6a..f225c8a7 100644
--- a/user-manual.md
+++ b/user-manual.md
@@ -27,12 +27,12 @@ webmagic使用maven管理依赖，在项目中添加对应的依赖即可使用w
 		<dependency>
             <groupId>us.codecraft</groupId>
             <artifactId>webmagic-core</artifactId>
-            <version>0.4.1</version>
+            <version>0.4.2</version>
         </dependency>
 		<dependency>
             <groupId>us.codecraft</groupId>
             <artifactId>webmagic-extension</artifactId>
-            <version>0.4.1</version>
+            <version>0.4.2</version>
         </dependency>
 
 #### 项目结构
diff --git a/zh_docs/README.md b/zh_docs/README.md
index 01ee341e..c58469a9 100644
--- a/zh_docs/README.md
+++ b/zh_docs/README.md
@@ -34,12 +34,12 @@ webmagic使用maven管理依赖，在项目中添加对应的依赖即可使用w
 		<dependency>
             <groupId>us.codecraft</groupId>
             <artifactId>webmagic-core</artifactId>
-            <version>0.4.1</version>
+            <version>0.4.2</version>
         </dependency>
 		<dependency>
             <groupId>us.codecraft</groupId>
             <artifactId>webmagic-extension</artifactId>
-            <version>0.4.1</version>
+            <version>0.4.2</version>
         </dependency>
 
 #### 项目结构