diff --git a/20182019/exam/yukamu-tagger_squelette/pom.xml b/20182019/exam/yukamu-tagger_squelette/pom.xml
index 5714135..abbdb81 100644
--- a/20182019/exam/yukamu-tagger_squelette/pom.xml
+++ b/20182019/exam/yukamu-tagger_squelette/pom.xml
@@ -46,7 +46,7 @@
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>25.1-jre</version>
+			<version>29.0-jre</version>
 		</dependency>
 		<!-- Tomcat embedded container -->
 		<dependency>