diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index d332dfe..d04983e
--- a/pom.xml
+++ b/pom.xml
@@ -47,7 +47,7 @@
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>2.9.5</version>
+      <version>2.12.6.1</version>
     </dependency>
     <dependency>
       <groupId>javax.servlet</groupId>