diff --git a/federationapi/routing/devices.go b/federationapi/routing/devices.go
index 0d1d85b40..00631b9b6 100644
--- a/federationapi/routing/devices.go
+++ b/federationapi/routing/devices.go
@@ -53,7 +53,7 @@ func GetUserDevices(
 		device := gomatrixserverlib.RespUserDevice{
 			DeviceID:    dev.DeviceID,
 			DisplayName: dev.DisplayName,
-			Keys:        []gomatrixserverlib.RespUserDeviceKeys{key},
+			Keys:        key,
 		}
 		response.Devices = append(response.Devices, device)
 	}
diff --git a/go.mod b/go.mod
index f956a46ac..6e56a4fc0 100644
--- a/go.mod
+++ b/go.mod
@@ -21,7 +21,7 @@ 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 v0.0.0-20200803165739-3bd1ef0f0852
+	github.com/matrix-org/gomatrixserverlib v0.0.0-20200804110046-7abbc2918807
 	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 76bd338a2..68d36174b 100644
--- a/go.sum
+++ b/go.sum
@@ -429,6 +429,8 @@ github.com/matrix-org/gomatrixserverlib v0.0.0-20200803165250-352235625587 h1:n2
 github.com/matrix-org/gomatrixserverlib v0.0.0-20200803165250-352235625587/go.mod h1:JsAzE1Ll3+gDWS9JSUHPJiiyAksvOOnGWF2nXdg4ZzU=
 github.com/matrix-org/gomatrixserverlib v0.0.0-20200803165739-3bd1ef0f0852 h1:OBvHjLWaT2KS9kGarX2ES0yKBL/wMxAeQB39tRrAAls=
 github.com/matrix-org/gomatrixserverlib v0.0.0-20200803165739-3bd1ef0f0852/go.mod h1:JsAzE1Ll3+gDWS9JSUHPJiiyAksvOOnGWF2nXdg4ZzU=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20200804110046-7abbc2918807 h1:ufr+e2FBDuxcO5t/7PMfoiQoma4uyYzS/sLuJSR6tng=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20200804110046-7abbc2918807/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=