diff --git a/citesphere-importer/pom.xml b/citesphere-importer/pom.xml
index fd719ac..d613a8a 100644
--- a/citesphere-importer/pom.xml
+++ b/citesphere-importer/pom.xml
@@ -276,7 +276,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>27.1-jre</version>
+            <version>29.0-jre</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->