diff --git a/go.mod b/go.mod
index 6154d0f32..ff73ad078 100644
--- a/go.mod
+++ b/go.mod
@@ -20,7 +20,7 @@ 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 v0.0.0-20200616150727-7ac22b6f8e65
+	github.com/matrix-org/gomatrixserverlib v0.0.0-20200617141855-5539854e4abc
 	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 3fa242c78..f62b14b62 100644
--- a/go.sum
+++ b/go.sum
@@ -373,6 +373,8 @@ 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 v0.0.0-20200616150727-7ac22b6f8e65 h1:2CcCcBnWdDPDOqFKiGOM+mi/KDDZXSTKmvFy/0/+ZJI=
 github.com/matrix-org/gomatrixserverlib v0.0.0-20200616150727-7ac22b6f8e65/go.mod h1:JsAzE1Ll3+gDWS9JSUHPJiiyAksvOOnGWF2nXdg4ZzU=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20200617141855-5539854e4abc h1:Oxidxr/H1Nh8aOFWAhTzQYLDOc9OuoJwfDjgEHpyqNE=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20200617141855-5539854e4abc/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=
diff --git a/sytest-whitelist b/sytest-whitelist
index e68605628..3fb96ff46 100644
--- a/sytest-whitelist
+++ b/sytest-whitelist
@@ -334,3 +334,5 @@ Can download specifying a different ASCII file name
 Can download with Unicode file name over federation
 Can download specifying a different Unicode file name
 Inbound /v1/send_join rejects joins from other servers
+Outbound federation can query v1 /send_join
+Inbound /v1/send_join rejects incorrectly-signed joins