diff --git a/build.gradle b/build.gradle
index 8e35759..c92a1c7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,6 +2,7 @@
     id 'org.springframework.boot' version '2.6.7'
     id 'io.spring.dependency-management' version '1.0.11.RELEASE'
     id 'java'
+    id 'war'
 }
 
 group = 'com.ntlab'
@@ -14,7 +15,8 @@
 
 dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-jersey'
-    implementation 'com.fasterxml.jackson.core:jackson-databind:2.11.4'
+    implementation 'org.springframework.boot:spring-boot-starter-web'
+    providedRuntime 'org.springframework.boot:spring-boot-starter-tomcat'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }