diff --git a/service/pom.xml b/service/pom.xml
old mode 100755
new mode 100644
index 369568a9..d369d2e3
--- a/service/pom.xml
+++ b/service/pom.xml
@@ -184,7 +184,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.2.3</version>
+            <version>1.5.13</version>
         </dependency>
     </dependencies>
     <build>