diff --git a/demo-parent/pom.xml b/demo-parent/pom.xml
index f8afe02..274a4f4 100644
--- a/demo-parent/pom.xml
+++ b/demo-parent/pom.xml
@@ -18,7 +18,7 @@
         <!--spring boot的版本-->
         <spring-boot.version>2.0.6.RELEASE</spring-boot.version>
         <!--jackson的版本-->
-        <jackson.version>2.8.8</jackson.version>
+        <jackson.version>2.12.6.1</jackson.version>
 
         <curator.version>2.9.0</curator.version>
         <curator-recipes.version>2.7.1</curator-recipes.version>