diff --git a/go.mod b/go.mod
index ed8d8905..715696dd 100644
--- a/go.mod
+++ b/go.mod
@@ -4,13 +4,11 @@ go 1.13
 
 require (
 	github.com/btcsuite/btcd v0.20.1-beta // indirect
-	github.com/cosmos/cosmos-sdk v0.38.3
-	github.com/gogo/protobuf v1.3.1
+	github.com/cosmos/cosmos-sdk v0.38.4
 	github.com/gorilla/mux v1.7.3
 	github.com/spf13/cobra v0.0.6
 	github.com/spf13/viper v1.6.2
 	github.com/stretchr/testify v1.5.1
-	github.com/tendermint/go-amino v0.15.1
 	github.com/tendermint/tendermint v0.33.3
 	github.com/tendermint/tm-db v0.5.0
 	golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3 // indirect
diff --git a/go.sum b/go.sum
index d69e9d6c..716aaac1 100644
--- a/go.sum
+++ b/go.sum
@@ -68,8 +68,8 @@ github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
-github.com/cosmos/cosmos-sdk v0.38.3 h1:qIBTiw+2T9POaSUJ5rvbBbXeq8C8btBlJxnSegPBd3Y=
-github.com/cosmos/cosmos-sdk v0.38.3/go.mod h1:rzWOofbKfRt3wxiylmYWEFHnxxGj0coyqgWl2I9obAw=
+github.com/cosmos/cosmos-sdk v0.38.4 h1:jPZOvhMQkm7wwwzcLxuluhVpKfuIgddNGt999pAiz/Y=
+github.com/cosmos/cosmos-sdk v0.38.4/go.mod h1:rzWOofbKfRt3wxiylmYWEFHnxxGj0coyqgWl2I9obAw=
 github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d h1:49RLWk1j44Xu4fjHb6JFYmeUnDORVwHNkDxaQ0ctCVU=
 github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d/go.mod h1:tSxLoYXyBmiFeKpvmq4dzayMdCjCnu8uqmCysIGBT2Y=
 github.com/cosmos/ledger-cosmos-go v0.11.1 h1:9JIYsGnXP613pb2vPjFeMMjBI5lEDsEaF6oYorTy6J4=
@@ -416,7 +416,6 @@ github.com/tendermint/iavl v0.13.2/go.mod h1:vE1u0XAGXYjHykd4BLp8p/yivrw2PF1Tuol
 github.com/tendermint/tendermint v0.33.2/go.mod h1:25DqB7YvV1tN3tHsjWoc2vFtlwICfrub9XO6UBO+4xk=
 github.com/tendermint/tendermint v0.33.3 h1:6lMqjEoCGejCzAghbvfQgmw87snGSqEhDTo/jw+W8CI=
 github.com/tendermint/tendermint v0.33.3/go.mod h1:25DqB7YvV1tN3tHsjWoc2vFtlwICfrub9XO6UBO+4xk=
-github.com/tendermint/tendermint v0.33.4 h1:NM3G9618yC5PaaxGrcAySc5ylc1PAANeIx42u2Re/jo=
 github.com/tendermint/tm-db v0.4.1/go.mod h1:JsJ6qzYkCGiGwm5GHl/H5GLI9XLb6qZX7PRe425dHAY=
 github.com/tendermint/tm-db v0.5.0 h1:qtM5UTr1dlRnHtDY6y7MZO5Di8XAE2j3lc/pCnKJ5hQ=
 github.com/tendermint/tm-db v0.5.0/go.mod h1:lSq7q5WRR/njf1LnhiZ/lIJHk2S8Y1Zyq5oP/3o9C2U=