diff --git a/pom.xml b/pom.xml
index 88f4123..799090d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -93,7 +93,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>30.1.1-jre</version>
+            <version>31.0.1-jre</version>
         </dependency>
         <dependency>
             <groupId>javax.mail</groupId>