diff --git a/okex-java-sdk-api/pom.xml b/okex-java-sdk-api/pom.xml
index 9ca13b9..6ba8f18 100644
--- a/okex-java-sdk-api/pom.xml
+++ b/okex-java-sdk-api/pom.xml
@@ -127,7 +127,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.5</version>
+            <version>2.9.10.3</version>
         </dependency>
         <dependency>
             <groupId>commons-beanutils</groupId>