diff --git a/pom.xml b/pom.xml
index 7ec4317..2be1d8d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
     <project.build.outputTimestamp>2026-09-07T00:00:00Z</project.build.outputTimestamp>
     <!-- Runtime compatibility: Spring Boot 4.x, Java 17+, Jackson 3. Build tools require Java 21+. -->
     <spring-boot.version>4.1.1</spring-boot.version>
-    <jackson.version>3.1.7</jackson.version><ogiri.test.jvm>${java.home}/bin/java</ogiri.test.jvm>
+    <jackson.version>3.2.3</jackson.version><ogiri.test.jvm>${java.home}/bin/java</ogiri.test.jvm>
     <tomcat.version>11.0.27</tomcat.version>
     <postgresql.version>42.7.13</postgresql.version>
   </properties>