diff --git a/main.go b/main.go
index 465bcee..ae61193 100644
--- a/main.go
+++ b/main.go
@@ -23,7 +23,7 @@ import (
 	"time"
 )
 
-const VERSION = "v1"
+const VERSION = "v2"
 
 var (
 	logger             *slog.Logger
diff --git a/sql/00009.sql b/sql/00009.sql
new file mode 100644
index 0000000..a0c0661
--- /dev/null
+++ b/sql/00009.sql
@@ -0,0 +1 @@
+ALTER TABLE public.area ADD CONSTRAINT area_unique UNIQUE ("name");
diff --git a/sql/00010.sql b/sql/00010.sql
new file mode 100644
index 0000000..aaeaa9c
--- /dev/null
+++ b/sql/00010.sql
@@ -0,0 +1 @@
+ALTER TABLE public."section" ADD CONSTRAINT section_areaname_unique UNIQUE ("name",area_id);