diff --git a/.circleci/config.yml b/.circleci/config.yml
index df64690..62ce2e9 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: golang:1.10
+      - image: golang:1.12
     working_directory: /go/src/zondax/ledger-cosmos-go
     steps:
       - checkout
diff --git a/Gopkg.lock b/Gopkg.lock
index 6c32e3a..60e64c9 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -9,6 +9,14 @@
   pruneopts = "UT"
   revision = "ed77733ec07dfc8a513741138419b8d9d3de9d2d"
 
+[[projects]]
+  digest = "1:c450d0b3b9217e3926714751c2034a9171e2d769c254ef3c74e5795ad74e1b04"
+  name = "github.com/cosmos/ledger-go"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "1e64b5144a7300e8b763ce55040b908a6ed652b0"
+  version = "v0.9.1"
+
 [[projects]]
   digest = "1:ffe9824d294da03b391f44e1ae8281281b4afc1bdaa9588c9097785e3af10cec"
   name = "github.com/davecgh/go-spew"
@@ -155,6 +163,7 @@
   analyzer-version = 1
   input-imports = [
     "github.com/btcsuite/btcd/btcec",
+    "github.com/cosmos/ledger-go",
     "github.com/stretchr/testify/assert",
     "github.com/stretchr/testify/require",
     "github.com/tendermint/tendermint/crypto",
diff --git a/Gopkg.toml b/Gopkg.toml
index 1bf0f4e..5a87586 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -1,6 +1,6 @@
 [[constraint]]
-  name = "github.com/zondax/ledger-go"
-  version = "v0.9.0"
+  name = "github.com/cosmos/ledger-go"
+  version = "v0.9.1"
 
 [prune]
   go-tests = true
diff --git a/validator_app.go b/validator_app.go
index e89c899..443c6f8 100644
--- a/validator_app.go
+++ b/validator_app.go
@@ -20,7 +20,7 @@ import (
 	"fmt"
 	"math"
 
-	"github.com/zondax/ledger-go"
+	"github.com/cosmos/ledger-go"
 )
 
 const (