diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 3ea58b5..838b394
--- a/pom.xml
+++ b/pom.xml
@@ -34,7 +34,7 @@
         <encoding>UTF-8</encoding>
 
         <slf4j.version>1.7.12</slf4j.version>
-        <jackson.version>2.9.9</jackson.version>
+        <jackson.version>2.12.7.1</jackson.version>
         <junit.version>4.12</junit.version>
         <log4j2.version>2.11.1</log4j2.version>
         <maven-source-plugin>3.2.0</maven-source-plugin>