diff --git a/pom.xml b/pom.xml
index b41e40ae..ca4a6063 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,10 +24,11 @@
 		<maven.compiler.target>1.8</maven.compiler.target>
 		<maven.test.skip>true</maven.test.skip>
 
-		<xxl-rpc.version>1.5.0</xxl-rpc.version>
+		<netty-all.version>4.1.48.Final</netty-all.version>
+		<gson.version>2.8.6</gson.version>
 
 		<spring.version>5.2.5.RELEASE</spring.version>
-		<spring-boot.version>2.2.5.RELEASE</spring-boot.version>
+		<spring-boot.version>2.2.6.RELEASE</spring-boot.version>
 
 		<mybatis-spring-boot-starter.version>2.1.2</mybatis-spring-boot-starter.version>
 		<mysql-connector-java.version>8.0.19</mysql-connector-java.version>
@@ -36,7 +37,7 @@
 		<junit.version>4.13</junit.version>
 		<javax.annotation-api.version>1.3.2</javax.annotation-api.version>
 
-		<groovy.version>3.0.2</groovy.version>
+		<groovy.version>3.0.3</groovy.version>
 
 		<maven-source-plugin.version>3.2.1</maven-source-plugin.version>
 		<maven-javadoc-plugin.version>3.2.0</maven-javadoc-plugin.version>
diff --git a/xxl-job-core/pom.xml b/xxl-job-core/pom.xml
index 765a1fe0..981cac05 100644
--- a/xxl-job-core/pom.xml
+++ b/xxl-job-core/pom.xml
@@ -19,12 +19,12 @@
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty-all</artifactId>
-			<version>4.1.48.Final</version>
+			<version>${netty-all.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.google.code.gson</groupId>
 			<artifactId>gson</artifactId>
-			<version>2.8.6</version>
+			<version>${gson.version}</version>
 		</dependency>
 
 		<!-- ********************** plugin ********************** -->