diff --git a/travel-note/pom.xml b/travel-note/pom.xml
index d892fb3..9606950 100644
--- a/travel-note/pom.xml
+++ b/travel-note/pom.xml
@@ -178,7 +178,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>27.1-jre</version>
+            <version>29.0-jre</version>
         </dependency>
 
         <dependency>