diff --git a/spring cloud/source/springcloudtest1/duan-ribbon-clientb2/pom.xml b/spring cloud/source/springcloudtest1/duan-ribbon-clientb2/pom.xml
index 64dc261..fd98207 100644
--- a/spring cloud/source/springcloudtest1/duan-ribbon-clientb2/pom.xml	
+++ b/spring cloud/source/springcloudtest1/duan-ribbon-clientb2/pom.xml	
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>2.1.9.RELEASE</version>
+            <version>2.5.12</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->