diff --git a/clientapi/producers/roomserver.go b/clientapi/producers/roomserver.go
index 391ea07bf..4985b91eb 100644
--- a/clientapi/producers/roomserver.go
+++ b/clientapi/producers/roomserver.go
@@ -16,6 +16,7 @@ package producers
 
 import (
 	"context"
+	"fmt"
 
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/gomatrixserverlib"
@@ -63,6 +64,11 @@ func (c *RoomserverProducer) SendEventWithState(
 		return err
 	}
 
+	fmt.Println("OUTLIERS:")
+	for _, o := range outliers {
+		fmt.Println("*", o.EventID(), o.Type(), o.StateKey())
+	}
+
 	var ires []api.InputRoomEvent
 	for _, outlier := range outliers {
 		ires = append(ires, api.InputRoomEvent{
diff --git a/go.mod b/go.mod
index 485de4bc7..6579ee6ad 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 v0.0.0-20200417154207-c38787065567
+	github.com/matrix-org/gomatrixserverlib v0.0.0-20200417160439-0126eeb08bd3
 	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 80db083ed..6248eb19a 100644
--- a/go.sum
+++ b/go.sum
@@ -366,6 +366,8 @@ 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 v0.0.0-20200417154207-c38787065567 h1:IjnhrozHJ4yzj52GLI98O3GnVL7BBxR0kr4yS93yfQw=
 github.com/matrix-org/gomatrixserverlib v0.0.0-20200417154207-c38787065567/go.mod h1:FsKa2pWE/bpQql9H7U4boOPXFoJX/QcqaZZ6ijLkaZI=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20200417160439-0126eeb08bd3 h1:EPRJl/W97StNSCA5DEI45qDph0DPWALE//ScKOvLsis=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20200417160439-0126eeb08bd3/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=