diff --git a/raft-java-example/pom.xml b/raft-java-example/pom.xml
index 9094e53..0f09e17 100644
--- a/raft-java-example/pom.xml
+++ b/raft-java-example/pom.xml
@@ -107,7 +107,7 @@
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>2.5</version>
+            <version>2.7</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>