diff --git a/Chapter09/spring-boot-2-email-formatter/spring-boot-2-email-formatter-model/pom.xml b/Chapter09/spring-boot-2-email-formatter/spring-boot-2-email-formatter-model/pom.xml
index 4baf77d..bda020a 100644
--- a/Chapter09/spring-boot-2-email-formatter/spring-boot-2-email-formatter-model/pom.xml
+++ b/Chapter09/spring-boot-2-email-formatter/spring-boot-2-email-formatter-model/pom.xml
@@ -13,7 +13,7 @@
     <packaging>jar</packaging>
 
     <properties>
-        <jackson.version>2.9.10.5</jackson.version>
+        <jackson.version>2.12.6.1</jackson.version>
     </properties>
 
     <dependencies>