diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..fbf67c3
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,56 @@
+name: Test
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    name: Test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+        go:
+          - "1.x"
+
+    steps:
+      - name: Set up Go ${{ matrix.go }}
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go }}
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      - name: restore cache
+        uses: actions/cache@v2
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+
+      - name: Test
+        run: make cover
+        env:
+          GITHUB_TOKEN: ${{ secrets.GHTOOLS_GITHUB_TOKEN }}
+
+      - name: Send coverage
+        uses: shogo82148/actions-goveralls@v1
+        with:
+          path-to-profile: cover.out
+          parallel: true
+          flag-name: OS-${{ matrix.os }}-Go-${{ matrix.go }}
+
+  # notifies that all test jobs are finished.
+  finish:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: shogo82148/actions-goveralls@v1
+        with:
+          parallel-finished: true
diff --git a/.gitignore b/.gitignore
index e8bbcf4..9bdfa5a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,9 @@
 .*
 !.gitignore
+!.github/
 !.travis.yml
 ghr
 .envrc
 *.test
 pkg
+/cover.out
diff --git a/Makefile b/Makefile
index 9b72095..a21e8f6 100644
--- a/Makefile
+++ b/Makefile
@@ -79,7 +79,6 @@ lint: devel-deps
 cover:
 	go test -coverprofile=cover.out
 	go tool cover -html cover.out
-	rm cover.out
 
 .PHONY: release
 release: bump crossbuild upload
diff --git a/cli_test.go b/cli_test.go
index 21266cd..7adb55d 100644
--- a/cli_test.go
+++ b/cli_test.go
@@ -10,6 +10,8 @@ import (
 )
 
 func TestRun(t *testing.T) {
+	client := testGithubClient(t)
+
 	t.Parallel()
 
 	outStream, errStream := new(bytes.Buffer), new(bytes.Buffer)
@@ -24,7 +26,6 @@ func TestRun(t *testing.T) {
 		t.Fatalf("%q exits %d, want %d\n\n%s", command, got, want, errStream.String())
 	}
 
-	client := testGithubClient(t)
 	release, err := client.GetRelease(context.TODO(), tag)
 	if err != nil {
 		t.Fatalf("GetRelease failed: %s\n\n%s", err, outStream.String())
@@ -59,6 +60,8 @@ func TestRun(t *testing.T) {
 }
 
 func TestRun_recreate(t *testing.T) {
+	client := testGithubClient(t)
+
 	outStream, errStream := new(bytes.Buffer), new(bytes.Buffer)
 	cli := &CLI{outStream: outStream, errStream: errStream}
 
@@ -82,7 +85,6 @@ func TestRun_recreate(t *testing.T) {
 		t.Fatalf("%q exits %d, want %d\n\n%s", command, got, want, errStream.String())
 	}
 
-	client := testGithubClient(t)
 	release, err := client.GetRelease(context.TODO(), tag)
 	if err != nil {
 		t.Fatalf("GetRelease failed: %s\n\n%s", err, outStream.String())
diff --git a/github_test.go b/github_test.go
index 9405735..5719221 100644
--- a/github_test.go
+++ b/github_test.go
@@ -20,6 +20,13 @@ const (
 
 func testGithubClient(t *testing.T) GitHub {
 	token := os.Getenv(EnvGitHubToken)
+	if token == "" {
+		if os.Getenv("CI") != "" {
+			t.Skipf("The %s environment value is not configured. skip it.", EnvGitHubToken)
+		} else {
+			t.Fatalf("The %s environment value is not configured. To skip it, set CI=true", EnvGitHubToken)
+		}
+	}
 	client, err := NewGitHubClient(TestOwner, TestRepo, token, defaultBaseURL)
 	if err != nil {
 		t.Fatal("NewGitHubClient failed:", err)