diff --git a/persistence-file/pom.xml b/persistence-file/pom.xml
index ea71224..b6964fa 100644
--- a/persistence-file/pom.xml
+++ b/persistence-file/pom.xml
@@ -25,7 +25,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>28.1-jre</version>
+      <version>29.0-jre</version>
     </dependency>
   </dependencies>