diff --git a/src/main/java/kr/re/etri/autoflow/service/DataGroupService.java b/src/main/java/kr/re/etri/autoflow/service/DataGroupService.java
index d440698..98e4191 100644
--- a/src/main/java/kr/re/etri/autoflow/service/DataGroupService.java
+++ b/src/main/java/kr/re/etri/autoflow/service/DataGroupService.java
@@ -105,7 +105,7 @@ public class DataGroupService {
         return dataGroupRepository.save(project);
     }
 
-    @Transactional
+    @Transactional(readOnly = false)
     public Optional<DataGroupEntity> update(Long id, ProjectRequest dto) {
         return dataGroupRepository.findById(id)
                 .map(project -> {