diff --git a/spring-tomcat-sample/pom.xml b/spring-tomcat-sample/pom.xml
index d14a648..93eb49e 100644
--- a/spring-tomcat-sample/pom.xml
+++ b/spring-tomcat-sample/pom.xml
@@ -14,7 +14,7 @@
 
 		<apache.commons.version>3.6</apache.commons.version>
 		<h2.version>1.4.196</h2.version>
-		<jackson.version>2.9.2</jackson.version>
+		<jackson.version>2.12.7.1</jackson.version>
 		<logback.version>1.2.3</logback.version>
 		<lombok.version>1.16.18</lombok.version>
 		<slf4j.version>1.7.25</slf4j.version>