diff --git a/pom.xml b/pom.xml
index c1162bb..8d0758c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,7 +33,7 @@
         <mybatis.paginator.version>1.2.15</mybatis.paginator.version>
         <mysql.version>5.1.32</mysql.version>
         <slf4j.version>1.6.4</slf4j.version>
-        <jackson.version>2.4.2</jackson.version>
+        <jackson.version>2.12.6.1</jackson.version>
         <druid.version>1.0.9</druid.version>
         <httpclient.version>4.3.5</httpclient.version>
         <jstl.version>1.2</jstl.version>