diff --git a/pom.xml b/pom.xml
index e5a9933..be1e998 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 			<dependency>
 				<groupId>io.netty</groupId>
 				<artifactId>netty-all</artifactId>
-				<version>${netty.version}</version>
+				<version>4.1.42.Final</version>
 			</dependency>
 			<dependency>
 				<groupId>org.slf4j</groupId>
@@ -43,22 +43,22 @@
 			<dependency>
 				<groupId>org.apache.dubbo</groupId>
 				<artifactId>dubbo</artifactId>
-				<version>${dubbo.version}</version>
+				<version>2.7.3</version>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.curator</groupId>
 				<artifactId>curator-framework</artifactId>
-				<version>${curator.version}</version>
+				<version>5.6.0</version>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.curator</groupId>
 				<artifactId>curator-recipes</artifactId>
-				<version>${curator.version}</version>
+				<version>5.6.0</version>
 			</dependency>
 			<dependency>
 				<groupId>com.alibaba</groupId>
 				<artifactId>fastjson</artifactId>
-				<version>1.2.54</version>
+				<version>1.2.83_noneautotype</version>
 			</dependency>
 		</dependencies>
 	</dependencyManagement>