diff --git a/design_pattern/pom.xml b/design_pattern/pom.xml
index 6975e13..6103eb6 100644
--- a/design_pattern/pom.xml
+++ b/design_pattern/pom.xml
@@ -24,7 +24,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>25.1-jre</version>
+      <version>29.0-jre</version>
     </dependency>
 
     <dependency>