diff --git a/sample/pom.xml b/sample/pom.xml
index caf6746..20f84be 100644
--- a/sample/pom.xml
+++ b/sample/pom.xml
@@ -55,7 +55,7 @@
 			<!-- for enforcer -->
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>31.1-jre</version>
+			<version>32.0.0-jre</version>
 		</dependency>
 
 		<dependency>