diff --git a/appengine/endpoints/sign.go b/appengine/endpoints/sign.go
index 38faaf4..4ef7559 100644
--- a/appengine/endpoints/sign.go
+++ b/appengine/endpoints/sign.go
@@ -37,7 +37,7 @@ import (
 	"github.com/google/fresnel/models"
 	"google.golang.org/appengine"
 	"google.golang.org/appengine/log"
-	"cloud.google.com/go/storage"
+	"pkg.go.dev/cloud.google.com/go/storage"
 	"github.com/patrickmn/go-cache"
 	"gopkg.in/yaml.v2"
 )