diff --git a/clickhouse-integration/clickhouse-integration-spark/pom.xml b/clickhouse-integration/clickhouse-integration-spark/pom.xml
index bd2fbc56..3fbb566b 100644
--- a/clickhouse-integration/clickhouse-integration-spark/pom.xml
+++ b/clickhouse-integration/clickhouse-integration-spark/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>com.github.housepower</groupId>
         <artifactId>clickhouse-native-jdbc-parent</artifactId>
-        <version>2.5.6-SNAPSHOT</version>
+        <version>2.5.6</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/clickhouse-integration/pom.xml b/clickhouse-integration/pom.xml
index 4fe7f1fd..f511b68e 100644
--- a/clickhouse-integration/pom.xml
+++ b/clickhouse-integration/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>com.github.housepower</groupId>
         <artifactId>clickhouse-native-jdbc-parent</artifactId>
-        <version>2.5.6-SNAPSHOT</version>
+        <version>2.5.6</version>
     </parent>
 
     <artifactId>clickhouse-integration</artifactId>
diff --git a/clickhouse-native-jdbc-shaded/pom.xml b/clickhouse-native-jdbc-shaded/pom.xml
index a695b492..114971f5 100644
--- a/clickhouse-native-jdbc-shaded/pom.xml
+++ b/clickhouse-native-jdbc-shaded/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>com.github.housepower</groupId>
         <artifactId>clickhouse-native-jdbc-parent</artifactId>
-        <version>2.5.6-SNAPSHOT</version>
+        <version>2.5.6</version>
     </parent>
 
     <artifactId>clickhouse-native-jdbc-shaded</artifactId>
diff --git a/clickhouse-native-jdbc/pom.xml b/clickhouse-native-jdbc/pom.xml
index 2914d662..11c269ef 100644
--- a/clickhouse-native-jdbc/pom.xml
+++ b/clickhouse-native-jdbc/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>com.github.housepower</groupId>
         <artifactId>clickhouse-native-jdbc-parent</artifactId>
-        <version>2.5.6-SNAPSHOT</version>
+        <version>2.5.6</version>
     </parent>
 
     <artifactId>clickhouse-native-jdbc</artifactId>
diff --git a/examples/pom.xml b/examples/pom.xml
index 01fb0239..99d7ebf4 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>com.github.housepower</groupId>
         <artifactId>clickhouse-native-jdbc-parent</artifactId>
-        <version>2.5.6-SNAPSHOT</version>
+        <version>2.5.6</version>
     </parent>
 
     <artifactId>examples</artifactId>
diff --git a/pom.xml b/pom.xml
index b3a5abe4..bcb6f8de 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
 
     <groupId>com.github.housepower</groupId>
     <artifactId>clickhouse-native-jdbc-parent</artifactId>
-    <version>2.5.6-SNAPSHOT</version>
+    <version>2.5.6</version>
     <packaging>pom</packaging>
 
     <name>ClickHouse Native JDBC POM</name>