diff --git a/src/main/java/org/hankki/hankkiserver/api/advice/GlobalExceptionHandler.java b/src/main/java/org/hankki/hankkiserver/api/advice/GlobalExceptionHandler.java
index 31bd8bb1..e012795d 100644
--- a/src/main/java/org/hankki/hankkiserver/api/advice/GlobalExceptionHandler.java
+++ b/src/main/java/org/hankki/hankkiserver/api/advice/GlobalExceptionHandler.java
@@ -4,6 +4,7 @@
 import org.hankki.hankkiserver.api.dto.HankkiResponse;
 import org.hankki.hankkiserver.common.code.BusinessErrorCode;
 import org.hankki.hankkiserver.common.exception.BadRequestException;
+import org.hankki.hankkiserver.common.exception.ConflictException;
 import org.hankki.hankkiserver.common.exception.NotFoundException;
 import org.hankki.hankkiserver.common.exception.UnauthorizedException;
 
@@ -32,6 +33,12 @@ public HankkiResponse<Void> handleEntityNotFoundException(NotFoundException e) {
         return HankkiResponse.fail(e.getErrorCode());
     }
 
+    @ExceptionHandler(ConflictException.class)
+    public HankkiResponse<Void> handleConflictException(ConflictException e) {
+        log.error("handleConflictException() in GlobalExceptionHandler throw ConflictException : {}", e.getMessage());
+        return HankkiResponse.fail(e.getErrorCode());
+    }
+
     @ExceptionHandler(Exception.class)
     public HankkiResponse<Void> handleException(Exception e) {
         log.error("handleException() in GlobalExceptionHandler throw Exception : {}", e.getMessage());