diff --git a/quickstart-elasticsearch5/src/main/java/org/quickstart/elasticsearch/transport/v5/sample/pom.xml b/quickstart-elasticsearch5/src/main/java/org/quickstart/elasticsearch/transport/v5/sample/pom.xml
old mode 100755
new mode 100644
index e589900..8454069
--- a/quickstart-elasticsearch5/src/main/java/org/quickstart/elasticsearch/transport/v5/sample/pom.xml
+++ b/quickstart-elasticsearch5/src/main/java/org/quickstart/elasticsearch/transport/v5/sample/pom.xml
@@ -31,7 +31,7 @@
   <properties>
     <elasticsearch.version>5.5.1</elasticsearch.version>
     <spring-version>5.0.0.RC3</spring-version>
-    <fastjson-version>1.2.7</fastjson-version>
+    <fastjson-version>1.2.83</fastjson-version>
     <junit-version>4.12</junit-version>
     <slf4j-version>1.7.5</slf4j-version>
     <ik.version>5.5.1</ik.version>