diff --git a/federationapi/routing/devices.go b/federationapi/routing/devices.go
index 49686c76..caf5fe59 100644
--- a/federationapi/routing/devices.go
+++ b/federationapi/routing/devices.go
@@ -15,19 +15,13 @@ package routing
 import (
 	"net/http"
 
-	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/userutil"
+	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
 )
 
-type userDevicesResponse struct {
-	UserID   string             `json:"user_id"`
-	StreamID int                `json:"stream_id"`
-	Devices  []authtypes.Device `json:"devices"`
-}
-
 // GetUserDevices for the given user id
 func GetUserDevices(
 	req *http.Request,
@@ -42,20 +36,30 @@ func GetUserDevices(
 		}
 	}
 
+	response := gomatrixserverlib.RespUserDevices{
+		UserID: userID,
+		// TODO: we should return an incrementing stream ID each time the device
+		// list changes for delta changes to be recognised
+		StreamID: 0,
+	}
+
 	devs, err := deviceDB.GetDevicesByLocalpart(req.Context(), localpart)
 	if err != nil {
 		util.GetLogger(req.Context()).WithError(err).Error("deviceDB.GetDevicesByLocalPart failed")
 		return jsonerror.InternalServerError()
 	}
 
+	for _, dev := range devs {
+		device := gomatrixserverlib.RespUserDevice{
+			DeviceID:    dev.ID,
+			DisplayName: dev.DisplayName,
+			Keys:        []gomatrixserverlib.RespUserDeviceKeys{},
+		}
+		response.Devices = append(response.Devices, device)
+	}
+
 	return util.JSONResponse{
 		Code: 200,
-		// TODO: we should return an incrementing stream ID each time the device
-		// list changes for delta changes to be recognised
-		JSON: userDevicesResponse{
-			UserID:   userID,
-			StreamID: 0,
-			Devices:  devs,
-		},
+		JSON: response,
 	}
 }
diff --git a/go.mod b/go.mod
index cc60e1a2..014ddd7d 100644
--- a/go.mod
+++ b/go.mod
@@ -18,7 +18,7 @@ require (
 	github.com/matrix-org/go-http-js-libp2p v0.0.0-20200518170932-783164aeeda4
 	github.com/matrix-org/go-sqlite3-js v0.0.0-20200522092705-bc8506ccbcf3
 	github.com/matrix-org/gomatrix v0.0.0-20190528120928-7df988a63f26
-	github.com/matrix-org/gomatrixserverlib v0.0.0-20200601162724-79e93fe989cf
+	github.com/matrix-org/gomatrixserverlib v0.0.0-20200602095934-0117edafc57a
 	github.com/matrix-org/naffka v0.0.0-20200422140631-181f1ee7401f
 	github.com/matrix-org/util v0.0.0-20190711121626-527ce5ddefc7
 	github.com/mattn/go-sqlite3 v2.0.2+incompatible
diff --git a/go.sum b/go.sum
index 6d9c2725..70e980b9 100644
--- a/go.sum
+++ b/go.sum
@@ -356,8 +356,8 @@ github.com/matrix-org/go-sqlite3-js v0.0.0-20200522092705-bc8506ccbcf3 h1:Yb+Wlf
 github.com/matrix-org/go-sqlite3-js v0.0.0-20200522092705-bc8506ccbcf3/go.mod h1:e+cg2q7C7yE5QnAXgzo512tgFh1RbQLC0+jozuegKgo=
 github.com/matrix-org/gomatrix v0.0.0-20190528120928-7df988a63f26 h1:Hr3zjRsq2bhrnp3Ky1qgx/fzCtCALOoGYylh2tpS9K4=
 github.com/matrix-org/gomatrix v0.0.0-20190528120928-7df988a63f26/go.mod h1:3fxX6gUjWyI/2Bt7J1OLhpCzOfO/bB3AiX0cJtEKud0=
-github.com/matrix-org/gomatrixserverlib v0.0.0-20200601162724-79e93fe989cf h1:iT2dfJ6JmYNRZBQTXeCNwsZIvfkBbFggzclM8iKnbR0=
-github.com/matrix-org/gomatrixserverlib v0.0.0-20200601162724-79e93fe989cf/go.mod h1:JsAzE1Ll3+gDWS9JSUHPJiiyAksvOOnGWF2nXdg4ZzU=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20200602095934-0117edafc57a h1:TX8oRfmzq84CFTcEuk1uvDPzV+jA9SlRSEj8MU/W3o0=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20200602095934-0117edafc57a/go.mod h1:JsAzE1Ll3+gDWS9JSUHPJiiyAksvOOnGWF2nXdg4ZzU=
 github.com/matrix-org/naffka v0.0.0-20200422140631-181f1ee7401f h1:pRz4VTiRCO4zPlEMc3ESdUOcW4PXHH4Kj+YDz1XyE+Y=
 github.com/matrix-org/naffka v0.0.0-20200422140631-181f1ee7401f/go.mod h1:y0oDTjZDv5SM9a2rp3bl+CU+bvTRINQsdb7YlDql5Go=
 github.com/matrix-org/util v0.0.0-20190711121626-527ce5ddefc7 h1:ntrLa/8xVzeSs8vHFHK25k0C+NV74sYMJnNSg5NoSRo=