diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index d2d15e3..1a6a6cd
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
         <quartz.version>2.2.2</quartz.version>
         <bc.version>1.56</bc.version>
         <junit.version>4.12</junit.version>
-        <gson.version>2.8.0</gson.version>
+        <gson.version>2.8.9</gson.version>
     </properties>
     <build>
     	<finalName>${project.name}-${project.version}</finalName>