diff --git a/springboot-example-lognet/pom.xml b/springboot-example-lognet/pom.xml
index 2d73676..0dfa112 100644
--- a/springboot-example-lognet/pom.xml
+++ b/springboot-example-lognet/pom.xml
@@ -23,7 +23,7 @@
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>27.1-jre</version>
+			<version>29.0-jre</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>