diff --git a/code/JUC/pom.xml b/code/JUC/pom.xml
index 6664a83..d28f708 100644
--- a/code/JUC/pom.xml
+++ b/code/JUC/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>29.0-jre</version>
+            <version>32.0.0-jre</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/junit/junit -->