diff --git a/internal/storage/storage.go b/internal/storage/storage.go
index 87ddc47..ef39543 100644
--- a/internal/storage/storage.go
+++ b/internal/storage/storage.go
@@ -3,6 +3,7 @@ package storage
 import (
 	"context"
 	"fmt"
+	"sync"
 
 	"git.espin.casa/albert/cml04-falcon-system/internal/types"
 	"gorm.io/driver/postgres"
@@ -17,7 +18,8 @@ type Storager interface {
 }
 
 type storage struct {
-	db *gorm.DB
+	db  *gorm.DB
+	mux sync.RWMutex
 }
 
 type DBConfig struct {
@@ -88,6 +90,7 @@ func New(conf *DBConfig) (Storager, error) {
 	}
 	// done
 	return &storage{
-		db: db,
+		db:  db,
+		mux: sync.RWMutex{},
 	}, nil
 }