diff --git a/backend/middleware/middleware.go b/backend/middleware/middleware.go
index 90b72ca..eaf7630 100644
--- a/backend/middleware/middleware.go
+++ b/backend/middleware/middleware.go
@@ -51,8 +51,8 @@ func AuthWithTokenHandler() http.HandlerFunc {
 			Value:    token,
 			Path:     "/",
 			HttpOnly: true,
-			Secure:   false, // true en prod
-			SameSite: http.SameSiteLaxMode,
+			Secure:   true, // Obligatoire avec SameSite=None
+			SameSite: http.SameSiteNoneMode,
 		})
 
 		http.Redirect(w, r, "/dashboard", http.StatusSeeOther)