diff --git a/20181001-1.sql b/20181001-1.sql
new file mode 100644
index 0000000..9edb32c
--- /dev/null
+++ b/20181001-1.sql
@@ -0,0 +1 @@
+ALTER TABLE public.line_message_log ADD type varchar(32) DEFAULT 'text' NOT NULL;
\ No newline at end of file
diff --git a/dbVersion.json b/dbVersion.json
index 12cf09c..829f17d 100644
--- a/dbVersion.json
+++ b/dbVersion.json
@@ -19,7 +19,8 @@
     {"file": "20180826-1.sql", "version": 17},
     {"file": "20180828-1.sql", "version": 18},
     {"file": "20180927-1.sql", "version": 19},
-    {"file": "20180928-1.sql", "version": 20}
+    {"file": "20180928-1.sql", "version": 20},
+    {"file": "20181001-1.sql", "version": 21}
   ],
   "test": []
 }
\ No newline at end of file