diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 242c22a..7136518 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -7,7 +7,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
-          go-version: '^1.15.1'
+          go-version: '^1.16.1'
       - uses: codecov/codecov-action@v1
       - run: go test ./...
       - run: go build ./...
diff --git a/LICENSE.txt b/LICENSE.txt
index f5b5efe..c686130 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,4 +1,4 @@
-Copyright:: Copyright (c) 2016 Ranjib Dey.
+Copyright:: Copyright (c) 2021 Ranjib Dey.
 License:: Apache License, Version 2.0
 
 Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/go.mod b/go.mod
index 04accfd..4a794ae 100644
--- a/go.mod
+++ b/go.mod
@@ -5,5 +5,5 @@ go 1.13
 require (
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b // indirect
 	github.com/reef-pi/embd v0.0.0-20200823212911-23a8c07341dd
-	github.com/reef-pi/hal v0.0.0-20210110194416-096527efd4a0
+	github.com/reef-pi/hal v0.0.0-20210801213209-e1fdd03d558f
 )
diff --git a/go.sum b/go.sum
index 8352582..b7238b4 100644
--- a/go.sum
+++ b/go.sum
@@ -2,5 +2,5 @@ github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekf
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/reef-pi/embd v0.0.0-20200823212911-23a8c07341dd h1:7C2RnXExMPkAgq+OhGTivaTz0icwlo/3T+eJ8rGt0CM=
 github.com/reef-pi/embd v0.0.0-20200823212911-23a8c07341dd/go.mod h1:vLR1mLVXpivVlbXyVJ4CdsUpOoyDWas+xjikOIzVV0g=
-github.com/reef-pi/hal v0.0.0-20210110194416-096527efd4a0 h1:NcNTQVeL3vOTfqigD2Tibea3XYY9IxmHL8IhqGiBn1k=
-github.com/reef-pi/hal v0.0.0-20210110194416-096527efd4a0/go.mod h1:ymcJ0AbYfWXT1vyAbXOjKtWaFdCv1HHYmXDMWxJSWSM=
+github.com/reef-pi/hal v0.0.0-20210801213209-e1fdd03d558f h1:pab1cY2bLxj2HJBRPuq7lbS+Z5D/NjGpuRHip7PqRMs=
+github.com/reef-pi/hal v0.0.0-20210801213209-e1fdd03d558f/go.mod h1:ymcJ0AbYfWXT1vyAbXOjKtWaFdCv1HHYmXDMWxJSWSM=