diff --git a/src/main/kotlin/kr/galaxyhub/sc/crawler/config/CrawlerConfig.kt b/src/main/kotlin/kr/galaxyhub/sc/crawler/config/CrawlerConfig.kt
index 84566cf..8a50559 100644
--- a/src/main/kotlin/kr/galaxyhub/sc/crawler/config/CrawlerConfig.kt
+++ b/src/main/kotlin/kr/galaxyhub/sc/crawler/config/CrawlerConfig.kt
@@ -13,7 +13,7 @@ import org.springframework.context.annotation.Configuration
 
 @Configuration
 class CrawlerConfig(
-    val objectMapper: ObjectMapper,
+    private val objectMapper: ObjectMapper,
 ) {
 
     @Bean