diff --git a/go.mod b/go.mod
index b3a144ed6..9de0bd583 100644
--- a/go.mod
+++ b/go.mod
@@ -133,7 +133,7 @@ require (
 	github.com/whyrusleeping/cbor-gen v0.0.0-20210118024343-169e9d70c0c2
 	github.com/whyrusleeping/ledger-filecoin-go v0.9.1-0.20201010031517-c3dcc1bddce4
 	github.com/whyrusleeping/multiaddr-filter v0.0.0-20160516205228-e903e4adabd7
-	github.com/whyrusleeping/pubsub v0.0.0-20131020042734-02de8aa2db3d
+	github.com/whyrusleeping/pubsub v0.0.0-20190708150250-92bcb0691325
 	github.com/xorcare/golden v0.6.1-0.20191112154924-b87f686d7542
 	go.opencensus.io v0.22.5
 	go.uber.org/dig v1.10.0 // indirect
@@ -147,7 +147,6 @@ require (
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1
 	gopkg.in/cheggaaa/pb.v1 v1.0.28
 	gotest.tools v2.2.0+incompatible
-	launchpad.net/gocheck v0.0.0-20140225173054-000000000087 // indirect
 )
 
 replace github.com/filecoin-project/lotus => ./
diff --git a/go.sum b/go.sum
index b40b7000c..8fa392904 100644
--- a/go.sum
+++ b/go.sum
@@ -1503,8 +1503,8 @@ github.com/whyrusleeping/mdns v0.0.0-20180901202407-ef14215e6b30/go.mod h1:j4l84
 github.com/whyrusleeping/mdns v0.0.0-20190826153040-b9b60ed33aa9/go.mod h1:j4l84WPFclQPj320J9gp0XwNKBb3U0zt5CBqjPp22G4=
 github.com/whyrusleeping/multiaddr-filter v0.0.0-20160516205228-e903e4adabd7 h1:E9S12nwJwEOXe2d6gT6qxdvqMnNq+VnSsKPgm2ZZNds=
 github.com/whyrusleeping/multiaddr-filter v0.0.0-20160516205228-e903e4adabd7/go.mod h1:X2c0RVCI1eSUFI8eLcY3c0423ykwiUdxLJtkDvruhjI=
-github.com/whyrusleeping/pubsub v0.0.0-20131020042734-02de8aa2db3d h1:wnjWu1N8UTNf2zzF5FWlEyNNbNw5GMVHaHaaLdvdTdA=
-github.com/whyrusleeping/pubsub v0.0.0-20131020042734-02de8aa2db3d/go.mod h1:g7ckxrjiFh8mi1AY7ox23PZD0g6QU/TxW3U3unX7I3A=
+github.com/whyrusleeping/pubsub v0.0.0-20190708150250-92bcb0691325 h1:++Zf4xQ7YrkE81gNHIjVqx5JZsn0nbMeHOkY1ILAIME=
+github.com/whyrusleeping/pubsub v0.0.0-20190708150250-92bcb0691325/go.mod h1:g7ckxrjiFh8mi1AY7ox23PZD0g6QU/TxW3U3unX7I3A=
 github.com/whyrusleeping/timecache v0.0.0-20160911033111-cfcb2f1abfee h1:lYbXeSvJi5zk5GLKVuid9TVjS9a0OmLIDKTfoZBL6Ow=
 github.com/whyrusleeping/timecache v0.0.0-20160911033111-cfcb2f1abfee/go.mod h1:m2aV4LZI4Aez7dP5PMyVKEHhUyEJ/RjmPEDOpDvudHg=
 github.com/whyrusleeping/yamux v1.1.5/go.mod h1:E8LnQQ8HKx5KD29HZFUwM1PxCOdPRzGwur1mcYhXcD8=
@@ -1952,8 +1952,6 @@ honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXe
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 howett.net/plist v0.0.0-20181124034731-591f970eefbb h1:jhnBjNi9UFpfpl8YZhA9CrOqpnJdvzuiHsl/dnxl11M=
 howett.net/plist v0.0.0-20181124034731-591f970eefbb/go.mod h1:vMygbs4qMhSZSc4lCUl2OEE+rDiIIJAIdR4m7MiMcm0=
-launchpad.net/gocheck v0.0.0-20140225173054-000000000087 h1:Izowp2XBH6Ya6rv+hqbceQyw/gSGoXfH/UPoTGduL54=
-launchpad.net/gocheck v0.0.0-20140225173054-000000000087/go.mod h1:hj7XX3B/0A+80Vse0e+BUHsHMTEhd0O4cpUHr/e/BUM=
 modernc.org/cc v1.0.0 h1:nPibNuDEx6tvYrUAtvDTTw98rx5juGsa5zuDnKwEEQQ=
 modernc.org/cc v1.0.0/go.mod h1:1Sk4//wdnYJiUIxnW8ddKpaOJCF37yAdqYnkxUpaYxw=
 modernc.org/fileutil v1.0.0/go.mod h1:JHsWpkrk/CnVV1H/eGlFf85BEpfkrp56ro8nojIq9Q8=