diff --git a/zetark-oauth2-server/pom.xml b/zetark-oauth2-server/pom.xml
index 15231be..5d708bb 100644
--- a/zetark-oauth2-server/pom.xml
+++ b/zetark-oauth2-server/pom.xml
@@ -120,7 +120,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.2.3</version>
+            <version>2.12.6.1</version>
         </dependency>
 
         <dependency>