diff --git a/QuestionAnswering/pom.xml b/QuestionAnswering/pom.xml
index 4a89131..7c296a7 100644
--- a/QuestionAnswering/pom.xml
+++ b/QuestionAnswering/pom.xml
@@ -116,7 +116,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>23.4-jre</version>
+            <version>29.0-jre</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/edu.stanford.nlp/stanford-corenlp -->
         <dependency>