diff --git a/java-cas/pom.xml b/java-cas/pom.xml
index 56250564..eb051e06 100644
--- a/java-cas/pom.xml
+++ b/java-cas/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.17.0</version>
+            <version>3.18.0</version>
         </dependency>
         <dependency>
             <groupId>org.asynchttpclient</groupId>