diff --git a/seckill/pom.xml b/seckill/pom.xml
index 92a9171..f6fd95f 100644
--- a/seckill/pom.xml
+++ b/seckill/pom.xml
@@ -85,7 +85,7 @@
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>2.9.10.1</version>
+      <version>2.12.6.1</version>
     </dependency>
     <dependency>
       <groupId>javax.servlet</groupId>