diff --git a/structure-learn/spring-learn/pom.xml b/structure-learn/spring-learn/pom.xml
index 7e865db..041accd 100644
--- a/structure-learn/spring-learn/pom.xml
+++ b/structure-learn/spring-learn/pom.xml
@@ -67,7 +67,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>28.2-jre</version>
+            <version>29.0-jre</version>
         </dependency>
 
         <dependency>