diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index d2d15e3..2f3ea50
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
         <spring.version>4.2.3.RELEASE</spring.version>
         <mina.version>2.0.14</mina.version>
         <slf4j.version>1.7.9</slf4j.version>
-        <logback.version>1.1.2</logback.version>
+        <logback.version>1.2.0</logback.version>
         <quartz.version>2.2.2</quartz.version>
         <bc.version>1.56</bc.version>
         <junit.version>4.12</junit.version>