diff --git a/db.go b/core/db.go
similarity index 99%
rename from db.go
rename to core/db.go
index 009a2f0..e791d36 100644
--- a/db.go
+++ b/core/db.go
@@ -1,4 +1,4 @@
-package main
+package core
 
 import (
 	"database/sql"
diff --git a/db_test.go b/core/db_test.go
similarity index 99%
rename from db_test.go
rename to core/db_test.go
index d6bde7b..9ded57b 100644
--- a/db_test.go
+++ b/core/db_test.go
@@ -1,4 +1,4 @@
-package main
+package core
 
 import (
 	"database/sql"