diff --git a/ChatServer/pom.xml b/ChatServer/pom.xml
index 10152d3..f62fd52 100644
--- a/ChatServer/pom.xml
+++ b/ChatServer/pom.xml
@@ -32,7 +32,7 @@
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-lang3</artifactId>
-			<version>3.9</version>
+			<version>3.11</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-text -->
 		<dependency>