diff --git a/drone-fly-app/pom.xml b/drone-fly-app/pom.xml
index 09ee7b5..9effea7 100644
--- a/drone-fly-app/pom.xml
+++ b/drone-fly-app/pom.xml
@@ -91,7 +91,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>27.1-jre</version>
+      <version>29.0-jre</version>
     </dependency>
     <dependency>
       <groupId>org.springframework</groupId>