diff --git a/federationapi/api/api.go b/federationapi/api/api.go
index 9e651a963..27b6d6871 100644
--- a/federationapi/api/api.go
+++ b/federationapi/api/api.go
@@ -89,7 +89,9 @@ type KeyserverFederationAPI interface {
 type FederationClient interface {
 	gomatrixserverlib.KeyClient
 	SendTransaction(ctx context.Context, t gomatrixserverlib.Transaction) (res gomatrixserverlib.RespSend, err error)
+
 	SendAsyncTransaction(ctx context.Context, u gomatrixserverlib.UserID, t gomatrixserverlib.Transaction, forwardingServer gomatrixserverlib.ServerName) (res gomatrixserverlib.EmptyResp, err error)
+	GetAsyncEvents(ctx context.Context, u gomatrixserverlib.UserID, mailserver gomatrixserverlib.ServerName) (res gomatrixserverlib.RespGetAsyncEvents, err error)
 
 	// Perform operations
 	LookupRoomAlias(ctx context.Context, s gomatrixserverlib.ServerName, roomAlias string) (res gomatrixserverlib.RespDirectory, err error)
diff --git a/go.mod b/go.mod
index f9cd510ac..a60690d48 100644
--- a/go.mod
+++ b/go.mod
@@ -22,7 +22,7 @@ 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 v0.0.0-20220926102614-ceba4d9f7530
-	github.com/matrix-org/gomatrixserverlib v0.0.0-20221124190327-27837f0b74cc
+	github.com/matrix-org/gomatrixserverlib v0.0.0-20221202221557-069343f050b8
 	github.com/matrix-org/pinecone v0.0.0-20221103125849-37f2e9b9ba37
 	github.com/matrix-org/util v0.0.0-20221111132719-399730281e66
 	github.com/mattn/go-sqlite3 v1.14.15
diff --git a/go.sum b/go.sum
index 04fe57a92..037f7d42c 100644
--- a/go.sum
+++ b/go.sum
@@ -348,8 +348,8 @@ github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91 h1:s7fexw
 github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91/go.mod h1:e+cg2q7C7yE5QnAXgzo512tgFh1RbQLC0+jozuegKgo=
 github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530 h1:kHKxCOLcHH8r4Fzarl4+Y3K5hjothkVW5z7T1dUM11U=
 github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530/go.mod h1:/gBX06Kw0exX1HrwmoBibFA98yBk/jxKpGVeyQbff+s=
-github.com/matrix-org/gomatrixserverlib v0.0.0-20221124190327-27837f0b74cc h1:PGUHRsjkZDr/FYRncsK02mkqQqIXdFuMpl3EA3JcUjU=
-github.com/matrix-org/gomatrixserverlib v0.0.0-20221124190327-27837f0b74cc/go.mod h1:Mtifyr8q8htcBeugvlDnkBcNUy5LO8OzUoplAf1+mb4=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20221202221557-069343f050b8 h1:tlCuFX+80b3CN4GljEf8GKIDtjGxa73RTR3X+/H5IrU=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20221202221557-069343f050b8/go.mod h1:Mtifyr8q8htcBeugvlDnkBcNUy5LO8OzUoplAf1+mb4=
 github.com/matrix-org/pinecone v0.0.0-20221103125849-37f2e9b9ba37 h1:CQWFrgH9TJOU2f2qCDhGwaSdAnmgSu3/f+2xcf/Fse4=
 github.com/matrix-org/pinecone v0.0.0-20221103125849-37f2e9b9ba37/go.mod h1:F3GHppRuHCTDeoOmmgjZMeJdbql91+RSGGsATWfC7oc=
 github.com/matrix-org/util v0.0.0-20221111132719-399730281e66 h1:6z4KxomXSIGWqhHcfzExgkH3Z3UkIXry4ibJS4Aqz2Y=