diff --git a/backend/pom.xml b/backend/pom.xml
index 6f63bd2..7a205ab 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>27.0.1-jre</version>
+            <version>29.0-jre</version>
         </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>