diff --git a/antlrdemo/pom.xml b/antlrdemo/pom.xml
index c8f7cc7..10a5fa2 100644
--- a/antlrdemo/pom.xml
+++ b/antlrdemo/pom.xml
@@ -138,7 +138,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>31.0.1-jre</version>
+            <version>32.0.0-jre</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>