diff --git a/go.mod b/go.mod
index 1319726ed2..1c06f7e60e 100644
--- a/go.mod
+++ b/go.mod
@@ -48,7 +48,7 @@ require (
 	github.com/tendermint/btcd v0.1.1
 	github.com/tendermint/crypto v0.0.0-20191022145703-50d29ede1e15
 	github.com/tendermint/go-amino v0.16.0
-	github.com/tendermint/tendermint v0.34.10
+	github.com/tendermint/tendermint v0.34.11
 	github.com/tendermint/tm-db v0.6.4
 	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad
 	golang.org/x/sys v0.0.0-20210510120138-977fb7262007 // indirect
diff --git a/server/util.go b/server/util.go
index 68f1c48281..67b18f8634 100644
--- a/server/util.go
+++ b/server/util.go
@@ -200,6 +200,7 @@ func interceptConfigs(rootViper *viper.Viper) (*tmcfg.Config, error) {
 		conf.P2P.RecvRate = 5120000
 		conf.P2P.SendRate = 5120000
 		conf.Consensus.TimeoutCommit = 5 * time.Second
+		conf.P2P.AllowDuplicateIP = true
 		tmcfg.WriteConfigFile(tmCfgFile, conf)
 
 	case err != nil: