diff --git a/java/telehash-core/pom.xml b/java/telehash-core/pom.xml
index 328aaab..53f8b68 100644
--- a/java/telehash-core/pom.xml
+++ b/java/telehash-core/pom.xml
@@ -48,7 +48,7 @@
     <dependency>
     	<groupId>org.apache.mina</groupId>
     	<artifactId>mina-core</artifactId>
-    	<version>2.0.0</version>
+    	<version>2.1.5</version>
     	<scope>compile</scope>
     </dependency>
     <dependency>