diff --git a/mqtt-client/pom.xml b/mqtt-client/pom.xml
old mode 100755
new mode 100644
index d31e2ba..c50ea32
--- a/mqtt-client/pom.xml
+++ b/mqtt-client/pom.xml
@@ -26,7 +26,7 @@
 	<dependency>
         <groupId>commons-io</groupId>
         <artifactId>commons-io</artifactId>
-        <version>2.5</version>
+        <version>2.7</version>
     </dependency>
     
     <dependency>