diff --git a/seckill/pom.xml b/seckill/pom.xml
index 54b7c47..e98d2e4 100644
--- a/seckill/pom.xml
+++ b/seckill/pom.xml
@@ -94,7 +94,7 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
-			<version>2.8.5</version>
+			<version>2.12.7.1</version>
 		</dependency>
 		<!-- servlet -->
 		<dependency>