diff --git a/pom.xml b/pom.xml
index 2fea5b4..9bfc505 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
         <version>7</version>
     </parent>
     <groupId>us.codecraft</groupId>
-    <version>0.5.1-SNAPSHOT</version>
+    <version>0.5.0</version>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
     <properties>
diff --git a/webmagic-avalon/pom.xml b/webmagic-avalon/pom.xml
index 8232103..39a5ac5 100644
--- a/webmagic-avalon/pom.xml
+++ b/webmagic-avalon/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.1-SNAPSHOT</version>
+        <version>0.5.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-avalon/webmagic-admin/pom.xml b/webmagic-avalon/webmagic-admin/pom.xml
index ed364c1..020ca8a 100644
--- a/webmagic-avalon/webmagic-admin/pom.xml
+++ b/webmagic-avalon/webmagic-admin/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-avalon</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.1-SNAPSHOT</version>
+        <version>0.5.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-avalon/webmagic-avalon-common/pom.xml b/webmagic-avalon/webmagic-avalon-common/pom.xml
index 3b06899..0125b19 100644
--- a/webmagic-avalon/webmagic-avalon-common/pom.xml
+++ b/webmagic-avalon/webmagic-avalon-common/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-avalon</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.1-SNAPSHOT</version>
+        <version>0.5.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-avalon/webmagic-worker/pom.xml b/webmagic-avalon/webmagic-worker/pom.xml
index ebc5174..f085c82 100644
--- a/webmagic-avalon/webmagic-worker/pom.xml
+++ b/webmagic-avalon/webmagic-worker/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-avalon</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.1-SNAPSHOT</version>
+        <version>0.5.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-core/pom.xml b/webmagic-core/pom.xml
index 407f266..eb47d59 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>0.5.1-SNAPSHOT</version>
+        <version>0.5.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-extension/pom.xml b/webmagic-extension/pom.xml
index 3c97d4b..c6629a4 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>0.5.1-SNAPSHOT</version>
+        <version>0.5.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-samples/pom.xml b/webmagic-samples/pom.xml
index ee71ce8..4769c21 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>0.5.1-SNAPSHOT</version>
+        <version>0.5.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-saxon/pom.xml b/webmagic-saxon/pom.xml
index 8ebc8af..a0aa2cb 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>0.5.1-SNAPSHOT</version>
+        <version>0.5.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-scripts/pom.xml b/webmagic-scripts/pom.xml
index 0272c57..943165e 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>0.5.1-SNAPSHOT</version>
+        <version>0.5.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/webmagic-selenium/pom.xml b/webmagic-selenium/pom.xml
index 36a3fc0..56d55d3 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>0.5.1-SNAPSHOT</version>
+        <version>0.5.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>