diff --git a/pom.xml b/pom.xml
index 91d651c..fe5bf11 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
     <url>https://github.com/eulery/opentsdb-java-sdk</url>
 
     <properties>
-        <jacksonVersion>2.9.8</jacksonVersion>
+        <jacksonVersion>2.12.1</jacksonVersion>
     </properties>
 
     <dependencies>