diff --git a/badger.go b/db_badger.go
similarity index 100%
rename from badger.go
rename to db_badger.go
diff --git a/bolt.go b/db_bolt.go
similarity index 100%
rename from bolt.go
rename to db_bolt.go
diff --git a/sqlite.go b/db_sqlite.go
similarity index 100%
rename from sqlite.go
rename to db_sqlite.go
diff --git a/sqlite_cgo.go b/db_sqlite_cgo.go
similarity index 100%
rename from sqlite_cgo.go
rename to db_sqlite_cgo.go
diff --git a/sqlite_nocgo.go b/db_sqlite_nocgo.go
similarity index 100%
rename from sqlite_nocgo.go
rename to db_sqlite_nocgo.go