diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a3c7bbb..fd0d300 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,8 +1,6 @@
 name: Test
 on:
   push:
-    branches:
-      - master
   pull_request:
 
 jobs:
@@ -13,7 +11,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: '1.18' 
+          go-version: '1.21'
       - name: test & coverage report creation
         run: |
           go test common.go -mod=readonly -timeout 5m -short -race -coverprofile=coverage.txt -covermode=atomic
diff --git a/LICENSE b/LICENSE
index 5f0220d..cde15f2 100644
--- a/LICENSE
+++ b/LICENSE
@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2018 - 2022 ZondaX AG
+   Copyright 2018 - 2023 ZondaX AG
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/README.md b/README.md
index 45bd224..c884f61 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,22 @@
 # ledger-cosmos-go
 
+![zondax_light](docs/zondax_light.png#gh-light-mode-only)
+![zondax_dark](docs/zondax_dark.png#gh-dark-mode-only)
+
 [![Test](https://github.com/cosmos/ledger-cosmos-go/actions/workflows/test.yml/badge.svg)](https://github.com/cosmos/ledger-cosmos-go/actions/workflows/test.yml)
 [![Build status](https://ci.appveyor.com/api/projects/status/ovpfx35t289n3403?svg=true)](https://ci.appveyor.com/project/cosmos/ledger-cosmos-go)
 
-This project is work in progress. Some aspects are subject to change.
+This package provides a basic client library to communicate with a Cosmos App running in a Ledger Nano S/S+/X device
+
+| Operation            | Response                    | Command                          |
+| -------------------- | --------------------------- | -------------------------------- |
+| GetVersion           | app version                 | ---------------                  |
+| GetAddressAndPubKey  | pubkey + address            | HRP + HDPath + ShowInDevice   |
+| Sign                 | signature in DER format     | HDPath + HRP + SignMode* + Message  |
+
+*Available sign modes for Cosmos app: 	SignModeAmino (0) | SignModeTextual (1)
+
+
+# Who we are?
 
-# Get source
-Apart from cloning, be sure you install dep dependency management tool
-https://github.com/golang/dep
+We are Zondax, a company pioneering blockchain services. If you want to know more about us, please visit us at [zondax.ch](https://zondax.ch)
diff --git a/docs/zondax_dark.png b/docs/zondax_dark.png
new file mode 100644
index 0000000..c14ba36
Binary files /dev/null and b/docs/zondax_dark.png differ
diff --git a/docs/zondax_light.png b/docs/zondax_light.png
new file mode 100644
index 0000000..3d25fda
Binary files /dev/null and b/docs/zondax_light.png differ
diff --git a/go.mod b/go.mod
index 1593c87..7e1e9d0 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/cosmos/ledger-cosmos-go
 
-go 1.18
+go 1.21
 
 require (
 	github.com/btcsuite/btcd/btcec/v2 v2.3.2
diff --git a/go.sum b/go.sum
index bb9c1eb..2c92d8a 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,7 @@
 github.com/btcsuite/btcd/btcec/v2 v2.3.2 h1:5n0X6hX0Zk+6omWcihdYvdAlGf2DfasC0GMf7DClJ3U=
 github.com/btcsuite/btcd/btcec/v2 v2.3.2/go.mod h1:zYzJ8etWJQIv1Ogk7OzpWjowwOdXY1W/17j2MW85J04=
 github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
+github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -13,6 +14,7 @@ github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg
 github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=