diff --git a/pom.xml b/pom.xml
index 24fc17a..d2c315e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,7 +40,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>27.0.1-jre</version>
+            <version>29.0-jre</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/com.itextpdf/itextpdf -->