diff --git a/java/hadoop-job-metrics/pom.xml b/java/hadoop-job-metrics/pom.xml
old mode 100755
new mode 100644
index 4ee5093..d6b574f
--- a/java/hadoop-job-metrics/pom.xml
+++ b/java/hadoop-job-metrics/pom.xml
@@ -15,7 +15,7 @@
         <version.graphite-client>1.1.0-RELEASE</version.graphite-client>
         <version.hamcrest>1.3</version.hamcrest>
         <version.httpclient>4.5.3</version.httpclient>
-        <version.jackson>2.8.5</version.jackson>
+        <version.jackson>2.12.7.1</version.jackson>
         <version.jcommander>1.48</version.jcommander>
         <version.jetty>9.4.6.v20170531</version.jetty>
         <version.junit>4.12</version.junit>