diff --git a/liaoxuefeng/pom.xml b/liaoxuefeng/pom.xml
index cec6d18..3c25c3d 100644
--- a/liaoxuefeng/pom.xml
+++ b/liaoxuefeng/pom.xml
@@ -40,7 +40,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.6.6</version>
+            <version>2.12.6.1</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>