version 2.1.1
diff --git a/hugegraph-common/pom.xml b/hugegraph-common/pom.xml
index d6abc74..4b0d7ad 100644
--- a/hugegraph-common/pom.xml
+++ b/hugegraph-common/pom.xml
@@ -247,7 +247,7 @@
                         <manifestEntries>
                             <!-- Must be on one line, otherwise the automatic
                                  upgrade script cannot replace the version number -->
-                            <Implementation-Version>2.1.1.0</Implementation-Version>
+                            <Implementation-Version>${implementation.version}</Implementation-Version>
                         </manifestEntries>
                     </archive>
                 </configuration>
diff --git a/hugegraph-rpc/pom.xml b/hugegraph-rpc/pom.xml
index 682faa1..398ef9a 100644
--- a/hugegraph-rpc/pom.xml
+++ b/hugegraph-rpc/pom.xml
@@ -11,7 +11,6 @@
     </parent>
 
     <artifactId>hugegraph-rpc</artifactId>
-    <version>2.1.0</version>
 
     <name>hugegraph-rpc</name>
     <description>HugeGraph Database RPC component</description>
@@ -25,7 +24,7 @@
         <dependency>
             <groupId>com.baidu.hugegraph</groupId>
             <artifactId>hugegraph-common</artifactId>
-            <version>2.1.0</version>
+            <version>${project.version}</version>
         </dependency>
 
         <!-- sofa rpc -->
@@ -144,7 +143,7 @@
                         <manifestEntries>
                             <!-- Must be on one line, otherwise the automatic
                                  upgrade script cannot replace the version number -->
-                            <Implementation-Version>2.1.0.0</Implementation-Version>
+                            <Implementation-Version>${implementation.version}</Implementation-Version>
                         </manifestEntries>
                     </archive>
                 </configuration>
diff --git a/hugegraph-rpc/src/main/java/com/baidu/hugegraph/version/RpcVersion.java b/hugegraph-rpc/src/main/java/com/baidu/hugegraph/version/RpcVersion.java
index d64af44..df465ca 100644
--- a/hugegraph-rpc/src/main/java/com/baidu/hugegraph/version/RpcVersion.java
+++ b/hugegraph-rpc/src/main/java/com/baidu/hugegraph/version/RpcVersion.java
@@ -27,5 +27,5 @@
 
     // The second parameter of Version.of() is for all-in-one JAR
     public static final Version VERSION = Version.of(RpcVersion.class,
-                                                     "2.1.0");
+                                                     "2.1.1");
 }
diff --git a/pom.xml b/pom.xml
index 4970361..0511809 100644
--- a/pom.xml
+++ b/pom.xml
@@ -75,6 +75,7 @@
         <mockito.version>4.1.0</mockito.version>
         <jakarta.xml.version>4.0.0-RC2</jakarta.xml.version>
         <sun.xml.version>3.0.2</sun.xml.version>
+        <implementation.version>2.1.1.0</implementation.version>
     </properties>
 
     <modules>
@@ -138,7 +139,7 @@
                         <manifestEntries>
                             <!-- Must be on one line, otherwise the automatic
                                  upgrade script cannot replace the version number -->
-                            <Implementation-Version>2.1.1.0</Implementation-Version>
+                            <Implementation-Version>${implementation.version}</Implementation-Version>
                         </manifestEntries>
                     </archive>
                 </configuration>