diff --git a/src/main/java/com/snp/batch/jobs/shipdetail/batch/config/ShipDetailUpdateJobConfig.java b/src/main/java/com/snp/batch/jobs/shipdetail/batch/config/ShipDetailUpdateJobConfig.java
index e3c56f7..6cad53b 100644
--- a/src/main/java/com/snp/batch/jobs/shipdetail/batch/config/ShipDetailUpdateJobConfig.java
+++ b/src/main/java/com/snp/batch/jobs/shipdetail/batch/config/ShipDetailUpdateJobConfig.java
@@ -117,7 +117,7 @@ public class ShipDetailUpdateJobConfig extends BaseMultiStepJobConfig<ShipDetail
 
     @Override
     protected int getChunkSize() {
-        return 5; // API에서 100개씩 가져오므로 chunk도 100으로 설정
+        return 20;
     }
 
     @Bean(name = "ShipDetailUpdateJob")
diff --git a/src/main/java/com/snp/batch/jobs/shipdetail/batch/reader/ShipDetailUpdateDataReader.java b/src/main/java/com/snp/batch/jobs/shipdetail/batch/reader/ShipDetailUpdateDataReader.java
index 34cc868..340ece3 100644
--- a/src/main/java/com/snp/batch/jobs/shipdetail/batch/reader/ShipDetailUpdateDataReader.java
+++ b/src/main/java/com/snp/batch/jobs/shipdetail/batch/reader/ShipDetailUpdateDataReader.java
@@ -29,7 +29,7 @@ public class ShipDetailUpdateDataReader extends BaseApiReader<ShipDetailComparis
     // DB 해시값을 저장할 맵
     private Map<String, String> dbMasterHashes;
     private int currentBatchIndex = 0;
-    private final int batchSize = 5;
+    private final int batchSize = 20;
     public ShipDetailUpdateDataReader(WebClient webClient, JdbcTemplate jdbcTemplate, ObjectMapper objectMapper,BatchDateService batchDateService, BatchApiLogService batchApiLogService, String maritimeApiUrl) {
         super(webClient);
         this.jdbcTemplate = jdbcTemplate;