diff --git a/README-zh.md b/README-zh.md
index 65d5d172..c5ebe15b 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -38,12 +38,12 @@ 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>0.7.3</version>
+    <version>0.7.4</version>
 </dependency>
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-extension</artifactId>
-    <version>0.7.3</version>
+    <version>0.7.4</version>
 </dependency>
 ```
         
diff --git a/README.md b/README.md
index 73cb4883..e5cd511d 100644
--- a/README.md
+++ b/README.md
@@ -23,12 +23,12 @@ Add dependencies to your pom.xml:
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-core</artifactId>
-    <version>0.7.3</version>
+    <version>0.7.4</version>
 </dependency>
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-extension</artifactId>
-    <version>0.7.3</version>
+    <version>0.7.4</version>
 </dependency>
 ```
         
diff --git a/pom.xml b/pom.xml
index fb1998df..6341bc0b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <groupId>us.codecraft</groupId>
-    <version>0.7.3</version>
+    <version>0.7.4</version>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
     <properties>
@@ -289,7 +289,7 @@
                 <version>3.2.0</version>
                 <configuration>
                     <encoding>UTF-8</encoding>
-                    <doctitle>WebMagic 0.7.3</doctitle>
+                    <doctitle>WebMagic 0.7.4</doctitle>
                     <locale>en_US</locale>
 
                     <!-- avoid the issue: https://bugs.openjdk.java.net/browse/JDK-8212233 -->
diff --git a/webmagic-core/pom.xml b/webmagic-core/pom.xml
index 44fb7fa4..4b89cac1 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>0.7.3</version>
+        <version>0.7.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-extension/pom.xml b/webmagic-extension/pom.xml
index bf7ff05d..87900efd 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>0.7.3</version>
+        <version>0.7.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-samples/pom.xml b/webmagic-samples/pom.xml
index 44fee7c0..3699fa66 100644
--- a/webmagic-samples/pom.xml
+++ b/webmagic-samples/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.7.3</version>
+        <version>0.7.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-saxon/pom.xml b/webmagic-saxon/pom.xml
index da0c5f20..d3a57f25 100644
--- a/webmagic-saxon/pom.xml
+++ b/webmagic-saxon/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.7.3</version>
+        <version>0.7.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-scripts/pom.xml b/webmagic-scripts/pom.xml
index 9f4219d6..121aafaf 100755
--- a/webmagic-scripts/pom.xml
+++ b/webmagic-scripts/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.7.3</version>
+        <version>0.7.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-selenium/pom.xml b/webmagic-selenium/pom.xml
index dfc4a195..d0cb77c0 100644
--- a/webmagic-selenium/pom.xml
+++ b/webmagic-selenium/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<artifactId>webmagic-parent</artifactId>
 		<groupId>us.codecraft</groupId>
-		<version>0.7.3</version>
+		<version>0.7.4</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>