diff --git a/pom.xml b/pom.xml
index 9afc901..05440c8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,7 +59,7 @@
         <dependency>
             <groupId>org.apache.mina</groupId>
             <artifactId>mina-core</artifactId>
-            <version>2.1.3</version>
+            <version>2.1.5</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->