diff --git a/spring-boot-webmvc/pom.xml b/spring-boot-webmvc/pom.xml
index 4c3dad0..bfb0a59 100644
--- a/spring-boot-webmvc/pom.xml
+++ b/spring-boot-webmvc/pom.xml
@@ -51,7 +51,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>26.0-jre</version>
+            <version>29.0-jre</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>