diff --git a/spring-boot-unified-return/pom.xml b/spring-boot-unified-return/pom.xml
index f7844c5..1c7e691 100644
--- a/spring-boot-unified-return/pom.xml
+++ b/spring-boot-unified-return/pom.xml
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>28.0-jre</version>
+            <version>29.0-jre</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
         <dependency>