diff --git a/FirstAkkaApplication/pom.xml b/FirstAkkaApplication/pom.xml
old mode 100755
new mode 100644
index cc88e21..19b8fb8
--- a/FirstAkkaApplication/pom.xml
+++ b/FirstAkkaApplication/pom.xml
@@ -104,7 +104,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.0.1</version>
+            <version>1.2.0</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>