diff --git a/go.mod b/go.mod
index 953b49d32..849ad1f55 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 v0.0.0-20200415145257-d492cd4be836
+	github.com/matrix-org/gomatrixserverlib v0.0.0-20200416113012-dafb32a889ea
 	github.com/matrix-org/naffka v0.0.0-20200127221512-0716baaabaf1
 	github.com/matrix-org/util v0.0.0-20190711121626-527ce5ddefc7
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible
diff --git a/go.sum b/go.sum
index f7295c38b..f4b4e4ff8 100644
--- a/go.sum
+++ b/go.sum
@@ -364,8 +364,8 @@ github.com/matrix-org/gomatrix v0.0.0-20190528120928-7df988a63f26 h1:Hr3zjRsq2bh
 github.com/matrix-org/gomatrix v0.0.0-20190528120928-7df988a63f26/go.mod h1:3fxX6gUjWyI/2Bt7J1OLhpCzOfO/bB3AiX0cJtEKud0=
 github.com/matrix-org/gomatrixserverlib v0.0.0-20200124100636-0c2ec91d1df5 h1:kmRjpmFOenVpOaV/DRlo9p6z/IbOKlUC+hhKsAAh8Qg=
 github.com/matrix-org/gomatrixserverlib v0.0.0-20200124100636-0c2ec91d1df5/go.mod h1:FsKa2pWE/bpQql9H7U4boOPXFoJX/QcqaZZ6ijLkaZI=
-github.com/matrix-org/gomatrixserverlib v0.0.0-20200415145257-d492cd4be836 h1:YiXBJ/0ZeBzuh9Ym0iYaJgDBlFdz7nIVKArqkkEgPzM=
-github.com/matrix-org/gomatrixserverlib v0.0.0-20200415145257-d492cd4be836/go.mod h1:FsKa2pWE/bpQql9H7U4boOPXFoJX/QcqaZZ6ijLkaZI=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20200416113012-dafb32a889ea h1:aiBD966UX0l4rTPgAu+u8CaiMfy+N8qWlZ2TIBp+0eM=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20200416113012-dafb32a889ea/go.mod h1:FsKa2pWE/bpQql9H7U4boOPXFoJX/QcqaZZ6ijLkaZI=
 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/util v0.0.0-20171127121716-2e2df66af2f5 h1:W7l5CP4V7wPyPb4tYE11dbmeAOwtFQBTW0rf4OonOS8=
diff --git a/roomserver/storage/postgres/storage.go b/roomserver/storage/postgres/storage.go
index a33bed8f4..6f2b96610 100644
--- a/roomserver/storage/postgres/storage.go
+++ b/roomserver/storage/postgres/storage.go
@@ -21,7 +21,6 @@ import (
 	"encoding/json"
 
 	"github.com/matrix-org/dendrite/internal/sqlutil"
-	roomserverVersion "github.com/matrix-org/dendrite/roomserver/version"
 
 	// Import the postgres database driver.
 	_ "github.com/lib/pq"
@@ -147,7 +146,7 @@ func extractRoomVersionFromCreateEvent(event gomatrixserverlib.Event) (
 	if event.Type() != gomatrixserverlib.MRoomCreate {
 		return gomatrixserverlib.RoomVersion(""), nil
 	}
-	roomVersion = roomserverVersion.DefaultRoomVersion()
+	roomVersion = gomatrixserverlib.RoomVersionV1
 	var createContent gomatrixserverlib.CreateContent
 	// The m.room.create event contains an optional "room_version" key in
 	// the event content, so we need to unmarshal that first.
diff --git a/roomserver/storage/sqlite3/storage.go b/roomserver/storage/sqlite3/storage.go
index 6f594430a..444a8fdd5 100644
--- a/roomserver/storage/sqlite3/storage.go
+++ b/roomserver/storage/sqlite3/storage.go
@@ -23,7 +23,6 @@ import (
 	"net/url"
 
 	"github.com/matrix-org/dendrite/internal/sqlutil"
-	roomserverVersion "github.com/matrix-org/dendrite/roomserver/version"
 
 	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/dendrite/roomserver/api"
@@ -176,7 +175,7 @@ func extractRoomVersionFromCreateEvent(event gomatrixserverlib.Event) (
 	if event.Type() != gomatrixserverlib.MRoomCreate {
 		return gomatrixserverlib.RoomVersion(""), nil
 	}
-	roomVersion = roomserverVersion.DefaultRoomVersion()
+	roomVersion = gomatrixserverlib.RoomVersionV1
 	var createContent gomatrixserverlib.CreateContent
 	// The m.room.create event contains an optional "room_version" key in
 	// the event content, so we need to unmarshal that first.
diff --git a/roomserver/version/version.go b/roomserver/version/version.go
index e60b5ef7a..f2a67e74d 100644
--- a/roomserver/version/version.go
+++ b/roomserver/version/version.go
@@ -59,7 +59,7 @@ var roomVersions = map[gomatrixserverlib.RoomVersion]RoomVersionDescription{
 // DefaultRoomVersion contains the room version that will, by
 // default, be used to create new rooms on this server.
 func DefaultRoomVersion() gomatrixserverlib.RoomVersion {
-	return gomatrixserverlib.RoomVersionV2
+	return gomatrixserverlib.RoomVersionV4
 }
 
 // RoomVersions returns a map of all known room versions to this