diff --git a/pom.xml b/pom.xml
index 0ec0356..ebcd46b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,7 +52,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>24.0-jre</version>
+            <version>29.0-jre</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
@@ -74,7 +74,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>26.0-jre</version>
+            <version>29.0-jre</version>
         </dependency>
 
         <dependency>