diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index bf13005..ba23077
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
         <slf4j.version>1.7.12</slf4j.version>
         <hibernate.version>4.3.10.Final</hibernate.version>
         <querydsl.version>3.6.8</querydsl.version>
-        <jackson.version>2.8.11</jackson.version>
+        <jackson.version>2.12.1</jackson.version>
         <flyway.version>4.0</flyway.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <junit.version>4.12</junit.version>