diff --git a/CheckDomain/pom.xml b/CheckDomain/pom.xml
index 9ea457c..6031af9 100644
--- a/CheckDomain/pom.xml
+++ b/CheckDomain/pom.xml
@@ -69,7 +69,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>28.0-jre</version>
+            <version>29.0-jre</version>
         </dependency>
         <dependency>
             <groupId>commons-net</groupId>