diff --git a/go.mod b/go.mod
index 56c58c6c8..d20089e8a 100644
--- a/go.mod
+++ b/go.mod
@@ -17,7 +17,7 @@ require (
 	github.com/matrix-org/go-http-js-libp2p v0.0.0-20200318135427-31631a9ef51f
 	github.com/matrix-org/go-sqlite3-js v0.0.0-20200325174927-327088cdef10
 	github.com/matrix-org/gomatrix v0.0.0-20190528120928-7df988a63f26
-	github.com/matrix-org/gomatrixserverlib v0.0.0-20200428112024-9f47f9bfa4b2
+	github.com/matrix-org/gomatrixserverlib v0.0.0-20200429162354-392f0b1b7421
 	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 de844b2a1..b762b7be6 100644
--- a/go.sum
+++ b/go.sum
@@ -369,6 +369,8 @@ github.com/matrix-org/gomatrixserverlib v0.0.0-20200124100636-0c2ec91d1df5 h1:km
 github.com/matrix-org/gomatrixserverlib v0.0.0-20200124100636-0c2ec91d1df5/go.mod h1:FsKa2pWE/bpQql9H7U4boOPXFoJX/QcqaZZ6ijLkaZI=
 github.com/matrix-org/gomatrixserverlib v0.0.0-20200428112024-9f47f9bfa4b2 h1:sy2QOqJhb4WXzq8bJhsCntAUYb64Dl6txsFtXWtxxSg=
 github.com/matrix-org/gomatrixserverlib v0.0.0-20200428112024-9f47f9bfa4b2/go.mod h1:JsAzE1Ll3+gDWS9JSUHPJiiyAksvOOnGWF2nXdg4ZzU=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20200429162354-392f0b1b7421 h1:4zP29YlpfEtJ9a7sZ33Mf0FJInD2N3/KzDcLa62bRKc=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20200429162354-392f0b1b7421/go.mod h1:JsAzE1Ll3+gDWS9JSUHPJiiyAksvOOnGWF2nXdg4ZzU=
 github.com/matrix-org/naffka v0.0.0-20200127221512-0716baaabaf1 h1:osLoFdOy+ChQqVUn2PeTDETFftVkl4w9t/OW18g3lnk=
 github.com/matrix-org/naffka v0.0.0-20200127221512-0716baaabaf1/go.mod h1:cXoYQIENbdWIQHt1SyCo6Bl3C3raHwJ0wgVrXHSqf+A=
 github.com/matrix-org/naffka v0.0.0-20200422140631-181f1ee7401f h1:pRz4VTiRCO4zPlEMc3ESdUOcW4PXHH4Kj+YDz1XyE+Y=
diff --git a/roomserver/query/backfill.go b/roomserver/query/backfill.go
index e5226ab3c..6883baa4f 100644
--- a/roomserver/query/backfill.go
+++ b/roomserver/query/backfill.go
@@ -63,9 +63,9 @@ FederationHit:
 	logrus.WithField("event_id", targetEvent.EventID()).Info("Requesting /state_ids at event")
 	for _, srv := range b.servers { // hit any valid server
 		c := gomatrixserverlib.FederatedStateProvider{
-			FedClient:      b.fedClient,
-			AuthEventsOnly: false,
-			Server:         srv,
+			FedClient:          b.fedClient,
+			RememberAuthEvents: false,
+			Server:             srv,
 		}
 		res, err := c.StateIDsBeforeEvent(ctx, targetEvent)
 		if err != nil {
@@ -136,9 +136,9 @@ func (b *backfillRequester) StateBeforeEvent(ctx context.Context, roomVer gomatr
 	}
 
 	c := gomatrixserverlib.FederatedStateProvider{
-		FedClient:      b.fedClient,
-		AuthEventsOnly: false,
-		Server:         b.servers[0],
+		FedClient:          b.fedClient,
+		RememberAuthEvents: false,
+		Server:             b.servers[0],
 	}
 	result, err := c.StateBeforeEvent(ctx, roomVer, event, eventIDs)
 	if err != nil {