diff --git a/backend/internal/handler/user_handler.go b/backend/internal/handler/user_handler.go
index c319d17e..4cfd7989 100644
--- a/backend/internal/handler/user_handler.go
+++ b/backend/internal/handler/user_handler.go
@@ -11,6 +11,7 @@ import (
 	"fmt"
 	"log/slog"
 	"net/http"
+	"os"
 	"regexp"
 	"strings"
 	"time"