diff --git a/clients/sellingpartner-api-documents-helper-java/pom.xml b/clients/sellingpartner-api-documents-helper-java/pom.xml
index 5e7a60d..50ebcde 100644
--- a/clients/sellingpartner-api-documents-helper-java/pom.xml
+++ b/clients/sellingpartner-api-documents-helper-java/pom.xml
@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>29.0-jre</version>
+      <version>30.0-jre</version>
     </dependency>
     <dependency>
       <groupId>org.threeten</groupId>