diff --git a/go.mod b/go.mod
index 12d97b84e89d..193748e3cd35 100644
--- a/go.mod
+++ b/go.mod
@@ -46,7 +46,7 @@ require (
 	github.com/cosmos/go-bip39 v1.0.0 // indirect
 	github.com/cosmos/gogoproto v1.4.2 // indirect
 	github.com/cosmos/gorocksdb v1.2.0 // indirect
-	github.com/cosmos/iavl v0.19.1 // indirect
+	github.com/cosmos/iavl v0.19.2-0.20220916140702-9b6be3095313 // indirect
 	github.com/cosmos/ledger-cosmos-go v0.11.1 // indirect
 	github.com/cosmos/ledger-go v0.9.2 // indirect
 	github.com/creachadair/taskgroup v0.3.2 // indirect
diff --git a/go.sum b/go.sum
index 5d6cb3e13908..c5958f52a070 100644
--- a/go.sum
+++ b/go.sum
@@ -193,8 +193,8 @@ github.com/cosmos/gogoproto v1.4.2 h1:UeGRcmFW41l0G0MiefWhkPEVEwvu78SZsHBvI78dAY
 github.com/cosmos/gogoproto v1.4.2/go.mod h1:cLxOsn1ljAHSV527CHOtaIP91kK6cCrZETRBrkzItWU=
 github.com/cosmos/gorocksdb v1.2.0 h1:d0l3jJG8M4hBouIZq0mDUHZ+zjOx044J3nGRskwTb4Y=
 github.com/cosmos/gorocksdb v1.2.0/go.mod h1:aaKvKItm514hKfNJpUJXnnOWeBnk2GL4+Qw9NHizILw=
-github.com/cosmos/iavl v0.19.1 h1:3gaq9b6SjiB0KBTygRnAvEGml2pQlu1TH8uma5g63Ys=
-github.com/cosmos/iavl v0.19.1/go.mod h1:X9PKD3J0iFxdmgNLa7b2LYWdsGd90ToV5cAONApkEPw=
+github.com/cosmos/iavl v0.19.2-0.20220916140702-9b6be3095313 h1:R7CnaI/0OLwOusy7n9750n8fqQ3yCQ8OJQI2L3ws9RA=
+github.com/cosmos/iavl v0.19.2-0.20220916140702-9b6be3095313/go.mod h1:X9PKD3J0iFxdmgNLa7b2LYWdsGd90ToV5cAONApkEPw=
 github.com/cosmos/keyring v1.2.0 h1:8C1lBP9xhImmIabyXW4c3vFjjLiBdGCmfLUfeZlV1Yo=
 github.com/cosmos/keyring v1.2.0/go.mod h1:fc+wB5KTk9wQ9sDx0kFXB3A0MaeGHM9AwRStKOQ5vOA=
 github.com/cosmos/ledger-cosmos-go v0.11.1 h1:9JIYsGnXP613pb2vPjFeMMjBI5lEDsEaF6oYorTy6J4=
diff --git a/simd/cmd/root.go b/simd/cmd/root.go
index e64a62b1e796..bcfaa1bd3619 100644
--- a/simd/cmd/root.go
+++ b/simd/cmd/root.go
@@ -145,6 +145,7 @@ func initAppConfig() (string, interface{}) {
 	//
 	// In simapp, we set the min gas prices to 0.
 	srvCfg.MinGasPrices = "0stake"
+	// srvCfg.BaseConfig.IAVLDisableFastnNode = true // disable fastnode by default
 
 	customAppConfig := CustomAppConfig{
 		Config: *srvCfg,
@@ -304,6 +305,7 @@ func newApp(
 		baseapp.SetIndexEvents(cast.ToStringSlice(appOpts.Get(server.FlagIndexEvents))),
 		baseapp.SetSnapshot(snapshotStore, snapshotOptions),
 		baseapp.SetIAVLCacheSize(cast.ToInt(appOpts.Get(server.FlagIAVLCacheSize))),
+		baseapp.SetIAVLDisableFastNode(cast.ToBool(appOpts.Get(server.FlagIAVLFastNode))),
 	)
 }