Bumped up the MINA dependency to 2.2.1
diff --git a/pom.xml b/pom.xml
index c6b6fd9..9b8dc94 100644
--- a/pom.xml
+++ b/pom.xml
@@ -71,7 +71,7 @@
     <hamcrest.version>2.2</hamcrest.version>
     <junit.engine.version>5.8.2</junit.engine.version>
     <junit.platform.version>1.8.2</junit.platform.version>
-    <mina.core.version>2.2.0</mina.core.version>
+    <mina.core.version>2.2.1</mina.core.version>
     <org.osgi.core.version>6.0.0</org.osgi.core.version>
     <org.apache.felix.version>7.0.5</org.apache.felix.version>
     <pax-exam.version>4.13.4</pax-exam.version>