diff --git a/pom.xml b/pom.xml
index a21f362..06efa91 100644
--- a/pom.xml
+++ b/pom.xml
@@ -264,7 +264,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<!-- Dependency versions -->
 		<druid.version>1.0.31</druid.version>
-		<jackson.version>2.8.8</jackson.version>
+		<jackson.version>2.18.9</jackson.version>
 		<jmxtrans.versin>270</jmxtrans.versin>
 		<junit.version>4.12</junit.version>
 		<!-- 4.3.x（JDK 1.7 ）、4.1.x（JDK 1.6）、4.0.x（JDK 1.6） -->