diff --git a/build.gradle b/build.gradle
index f803aa9..0266a0a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,6 +26,7 @@ repositories {
 dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     implementation 'org.springframework.boot:spring-boot-starter-web'
+    implementation 'org.springframework.boot:spring-boot-starter-validation'
     compileOnly 'org.projectlombok:lombok'
     runtimeOnly 'com.mysql:mysql-connector-j'
     annotationProcessor 'org.projectlombok:lombok'