diff --git a/2020-05/spring-18/pom.xml b/2020-05/spring-18/pom.xml
index d4fa3309..64c321ca 100644
--- a/2020-05/spring-18/pom.xml
+++ b/2020-05/spring-18/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>27.1-jre</version>
+            <version>32.0.0-jre</version>
         </dependency>
     </dependencies>
 </project>