diff --git a/demo/pom.xml b/demo/pom.xml
index 76eab4e..fa2e9e8 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.9</version>
+            <version>3.18.0</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>