diff --git a/guava-demo/pom.xml b/guava-demo/pom.xml
index 3a14b21..a6680c2 100644
--- a/guava-demo/pom.xml
+++ b/guava-demo/pom.xml
@@ -15,7 +15,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>26.0-jre</version>
+            <version>29.0-jre</version>
         </dependency>
     </dependencies>