diff --git a/.circleci/config.yml b/.circleci/config.yml
index 939dcb1..929c0e6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,55 +1,60 @@
 version: 2
 jobs:
-  go1.20: &base
+  go1.21: &base
     docker:
-      - image: cimg/go:1.20
+      - image: cimg/go:1.21
     steps:
       - run: go version
       - checkout
-      - run: go test -tags nikandfor_loc_unsafe -race -coverprofile=coverage.txt -covermode=atomic -v ./...
-      - run: bash <(curl -s https://codecov.io/bash)
+      - run: go test -tags nikandfor_loc_unsafe -race -v ./...
+
+  go1.20:
+    <<: *base
+    docker:
+      - image: cimg/go:1.20
 
-  go1.19: &base_next
+  go1.19:
     <<: *base
     docker:
       - image: cimg/go:1.19
-    steps:
-      - run: go version
-      - checkout
-      - run: go test -tags nikandfor_loc_unsafe -race -v ./...
 
   go1.18:
-    <<: *base_next
+    <<: *base
     docker:
       - image: cimg/go:1.18
 
   go1.17:
-    <<: *base_next
+    <<: *base
     docker:
       - image: cimg/go:1.17
 
   go1.16:
-    <<: *base_next
+    <<: *base
     docker:
       - image: circleci/golang:1.16
     working_directory: /go/wd
 
   go1.15:
-    <<: *base_next
+    <<: *base
     docker:
       - image: circleci/golang:1.15
 
   go1.14:
-    <<: *base_next
+    <<: *base
     docker:
       - image: circleci/golang:1.14
 
-  go1.20_safe: &base_safe
+  go1.21_safe: &base_safe
     <<: *base
     steps:
       - run: go version
       - checkout
-      - run: go test -race -cover -v ./...
+      - run: go test -race -v ./...
+
+  go1.20_safe:
+    <<: *base_safe
+    docker:
+      - image: cimg/go:1.20
 
   go1.19_safe:
     <<: *base_safe
@@ -65,13 +70,15 @@ workflows:
   version: 2
   build:
     jobs:
+      - go1.21_safe
       - go1.20_safe
       - go1.19_safe
       - go1.18_safe
+      - go1.21
       - go1.20
       - go1.19
       - go1.18
       - go1.17
-      - go1.16
+      #- go1.16 test passes in official docker image (arm64), but not in circleci
       - go1.15
       - go1.14
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
new file mode 100644
index 0000000..5f07346
--- /dev/null
+++ b/.github/workflows/go.yml
@@ -0,0 +1,31 @@
+# This workflow will build a golang project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
+
+name: Go
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Go
+      uses: actions/setup-go@v3
+      with:
+        go-version: "1.21"
+
+    - name: Build
+      run: go build -v ./...
+
+    - name: Test
+      run: go test -v -coverprofile=coverage.txt -covermode=atomic ./...
+
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v3
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
new file mode 100644
index 0000000..9cebd77
--- /dev/null
+++ b/.github/workflows/golangci-lint.yml
@@ -0,0 +1,24 @@
+name: golangci-lint
+on:
+  push:
+  pull_request:
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
+          version: latest
+
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+
+          # Optional: golangci-lint command line arguments.
+          # args: --issues-exit-code=0
+
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true
diff --git a/README.md b/README.md
index 1342630..79127a7 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 [![Documentation](https://pkg.go.dev/badge/github.com/nikandfor/loc)](https://pkg.go.dev/github.com/nikandfor/loc?tab=doc)
-[![Build Status](https://travis-ci.com/nikandfor/loc.svg?branch=master)](https://travis-ci.com/nikandfor/loc)
+[![Go workflow](https://github.com/nikandfor/json/actions/workflows/go.yml/badge.svg)](https://github.com/nikandfor/json/actions/workflows/go.yml)
 [![CircleCI](https://circleci.com/gh/nikandfor/loc.svg?style=svg)](https://circleci.com/gh/nikandfor/loc)
 [![codecov](https://codecov.io/gh/nikandfor/loc/tags/latest/graph/badge.svg)](https://codecov.io/gh/nikandfor/loc)
 [![GolangCI](https://golangci.com/badges/github.com/nikandfor/loc.svg)](https://golangci.com/r/github.com/nikandfor/loc)