diff --git a/internal/repository/migration.go b/internal/repository/migration.go
index a5605c6..0f37d0a 100644
--- a/internal/repository/migration.go
+++ b/internal/repository/migration.go
@@ -16,7 +16,7 @@ import (
 	"github.com/golang-migrate/migrate/v4/source/iofs"
 )
 
-const Version uint = 5
+const Version uint = 6
 
 //go:embed migrations/*
 var migrationFiles embed.FS
diff --git a/internal/repository/migrations/mysql/06_change-config.down.sql b/internal/repository/migrations/mysql/06_change-config.down.sql
new file mode 100644
index 0000000..0651790
--- /dev/null
+++ b/internal/repository/migrations/mysql/06_change-config.down.sql
@@ -0,0 +1 @@
+ALTER TABLE configuration MODIFY value VARCHAR(255);
diff --git a/internal/repository/migrations/mysql/06_change-config.up.sql b/internal/repository/migrations/mysql/06_change-config.up.sql
new file mode 100644
index 0000000..e35ff19
--- /dev/null
+++ b/internal/repository/migrations/mysql/06_change-config.up.sql
@@ -0,0 +1 @@
+ALTER TABLE configuration MODIFY value TEXT;
diff --git a/internal/repository/migrations/sqlite3/06_change-config.down.sql b/internal/repository/migrations/sqlite3/06_change-config.down.sql
new file mode 100644
index 0000000..74a8299
--- /dev/null
+++ b/internal/repository/migrations/sqlite3/06_change-config.down.sql
@@ -0,0 +1,4 @@
+ALTER TABLE configuration ADD COLUMN value_new varchar(255);
+INSERT INTO configuration (value_new) SELECT value FROM configuration;
+ALTER TABLE configuration DROP COLUMN  value;
+ALTER TABLE configuration RENAME COLUMN value_new TO value;
diff --git a/internal/repository/migrations/sqlite3/06_change-config.up.sql b/internal/repository/migrations/sqlite3/06_change-config.up.sql
new file mode 100644
index 0000000..0dae70c
--- /dev/null
+++ b/internal/repository/migrations/sqlite3/06_change-config.up.sql
@@ -0,0 +1,4 @@
+ALTER TABLE configuration ADD COLUMN value_new TEXT;
+INSERT INTO configuration (value_new) SELECT value FROM configuration;
+ALTER TABLE configuration DROP COLUMN  value;
+ALTER TABLE configuration RENAME COLUMN value_new TO value;