diff --git a/pom.xml b/pom.xml
index ddd7569..0c9e96f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -135,7 +135,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>29.0-jre</version>
+            <version>31.1-jre</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/junit/junit -->