diff --git a/federationapi/routing/join.go b/federationapi/routing/join.go
index abf9c0945..8d779c3d7 100644
--- a/federationapi/routing/join.go
+++ b/federationapi/routing/join.go
@@ -425,7 +425,7 @@ func checkRestrictedJoin(
 	roomVersion gomatrixserverlib.RoomVersion,
 	roomID, userID string,
 ) (*util.JSONResponse, string, error) {
-	if allowRestricted, err := roomVersion.AllowRestrictedJoinsInEventAuth(); err != nil {
+	if allowRestricted, err := roomVersion.MayAllowRestrictedJoinsInEventAuth(); err != nil {
 		return nil, "", err
 	} else if !allowRestricted {
 		return nil, "", nil
diff --git a/go.mod b/go.mod
index 5b732ab41..9bb2b08e1 100644
--- a/go.mod
+++ b/go.mod
@@ -34,7 +34,7 @@ require (
 	github.com/matrix-org/dugong v0.0.0-20210921133753-66e6b1c67e2e
 	github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91
 	github.com/matrix-org/gomatrix v0.0.0-20210324163249-be2af5ef2e16
-	github.com/matrix-org/gomatrixserverlib v0.0.0-20220526105206-b1c5619fe0c2
+	github.com/matrix-org/gomatrixserverlib v0.0.0-20220526140030-dcfbb70ff32d
 	github.com/matrix-org/pinecone v0.0.0-20220408153826-2999ea29ed48
 	github.com/matrix-org/util v0.0.0-20200807132607-55161520e1d4
 	github.com/mattn/go-sqlite3 v1.14.13
diff --git a/go.sum b/go.sum
index 48fd50612..0aae9b007 100644
--- a/go.sum
+++ b/go.sum
@@ -418,8 +418,8 @@ github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91/go.mod h1
 github.com/matrix-org/gomatrix v0.0.0-20190528120928-7df988a63f26/go.mod h1:3fxX6gUjWyI/2Bt7J1OLhpCzOfO/bB3AiX0cJtEKud0=
 github.com/matrix-org/gomatrix v0.0.0-20210324163249-be2af5ef2e16 h1:ZtO5uywdd5dLDCud4r0r55eP4j9FuUNpl60Gmntcop4=
 github.com/matrix-org/gomatrix v0.0.0-20210324163249-be2af5ef2e16/go.mod h1:/gBX06Kw0exX1HrwmoBibFA98yBk/jxKpGVeyQbff+s=
-github.com/matrix-org/gomatrixserverlib v0.0.0-20220526105206-b1c5619fe0c2 h1:t5VdznF0DiPayir4lTWvdHuk2+rDlwe3qksrgua+f3Q=
-github.com/matrix-org/gomatrixserverlib v0.0.0-20220526105206-b1c5619fe0c2/go.mod h1:jX38yp3SSLJNftBg3PXU1ayd0PCLIiDHQ4xAc9DIixk=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20220526140030-dcfbb70ff32d h1:IwyG/58rFn0/ugD0A/IdSIo7D/oLJ4+k3NznlYhzyHs=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20220526140030-dcfbb70ff32d/go.mod h1:jX38yp3SSLJNftBg3PXU1ayd0PCLIiDHQ4xAc9DIixk=
 github.com/matrix-org/pinecone v0.0.0-20220408153826-2999ea29ed48 h1:W0sjjC6yjskHX4mb0nk3p0fXAlbU5bAFUFeEtlrPASE=
 github.com/matrix-org/pinecone v0.0.0-20220408153826-2999ea29ed48/go.mod h1:ulJzsVOTssIVp1j/m5eI//4VpAGDkMt5NrRuAVX7wpc=
 github.com/matrix-org/util v0.0.0-20190711121626-527ce5ddefc7/go.mod h1:vVQlW/emklohkZnOPwD3LrZUBqdfsbiyO3p1lNV8F6U=
diff --git a/roomserver/internal/query/query.go b/roomserver/internal/query/query.go
index 70613baab..6d306fb09 100644
--- a/roomserver/internal/query/query.go
+++ b/roomserver/internal/query/query.go
@@ -772,7 +772,7 @@ func (r *Queryer) QueryRestrictedJoinAllowed(ctx context.Context, req *api.Query
 	}
 	// If the room version doesn't allow restricted joins then don't
 	// try to process any further.
-	allowRestrictedJoins, err := roomInfo.RoomVersion.AllowRestrictedJoinsInEventAuth()
+	allowRestrictedJoins, err := roomInfo.RoomVersion.MayAllowRestrictedJoinsInEventAuth()
 	if err != nil {
 		return fmt.Errorf("roomInfo.RoomVersion.AllowRestrictedJoinsInEventAuth: %w", err)
 	} else if !allowRestrictedJoins {