diff --git a/routers/api/v1/repo/project.go b/routers/api/v1/repo/project.go
index 74f19c8017..1cbea1c400 100644
--- a/routers/api/v1/repo/project.go
+++ b/routers/api/v1/repo/project.go
@@ -6,6 +6,7 @@ package repo
 import (
 	"errors"
 	"net/http"
+	"slices"
 
 	"code.gitea.io/gitea/models/db"
 	issues_model "code.gitea.io/gitea/models/issues"