diff --git a/src/main/resources/update/1_0.sql b/src/main/resources/update/1_0.sql
index 6d3242b..aff1649 100644
--- a/src/main/resources/update/1_0.sql
+++ b/src/main/resources/update/1_0.sql
@@ -31,7 +31,8 @@
 		REPOSITORY_NAME VARCHAR(100) NOT NULL,
 		ISSUE_ID INT NOT NULL,
 		OPENED_USER_NAME VARCHAR(100) NOT NULL,
-		MILESTONE_ID INT NOT NULL,
+		MILESTONE_ID INT,
+		ASSIGNED_USER_NAME VARCHAR(100),
 		TITLE TEXT NOT NULL,
 		CONTENT TEXT NOT NULL,
 		REGISTERED_DATE TIMESTAMP NOT NULL,