diff --git a/rest_rpc-master/java/pom.xml b/rest_rpc-master/java/pom.xml
index 143f6d3..eb088e2 100644
--- a/rest_rpc-master/java/pom.xml
+++ b/rest_rpc-master/java/pom.xml
@@ -17,7 +17,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>29.0-jre</version>
+            <version>32.0.0-jre</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>