diff --git a/hellobeijing/pom.xml b/hellobeijing/pom.xml
index f643629..067b180 100644
--- a/hellobeijing/pom.xml
+++ b/hellobeijing/pom.xml
@@ -139,7 +139,7 @@
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>2.7.1</version>
+      <version>2.12.7.1</version>
     </dependency>
     <dependency>
       <groupId>net.sf.json-lib</groupId>