diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..9ff1589
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,32 @@
+name: Lint
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+permissions:
+  contents: read
+jobs:
+  lint:
+    strategy:
+      matrix:
+        go: [ '1.20' ]
+      fail-fast: true
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+
+      - name: Setup Go ${{ matrix.go }}
+        uses: actions/setup-go@v4
+        with:
+          go-version: ${{ matrix.go }}
+          cache: false
+
+      - name: Run GolangCI-Lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          version: v1.56.1
+          args: --timeout=5m
\ No newline at end of file
diff --git a/.github/workflows/ci.yml b/.github/workflows/test.yml
similarity index 64%
rename from .github/workflows/ci.yml
rename to .github/workflows/test.yml
index 03ca69f..156803c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/test.yml
@@ -1,4 +1,4 @@
-name: Go CI
+name: Test
 
 on:
   push:
@@ -8,25 +8,39 @@ on:
     branches:
       - master
 
+permissions:
+  contents: read
+
 jobs:
   test_and_lint:
     name: Test, Lint, and Coverage
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go: [ '1.20' ]
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
+      fail-fast: true
+    runs-on: ${{ matrix.os }}
 
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
 
-      - name: Set up Go
+      - name: Setup Go ${{ matrix.go }}
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20
+          go-version: ${{ matrix.go }}
+          cache: false
 
       - name: Install dependencies
         run: go mod download
 
       - name: Run tests with coverage
-        run: go test ./... -v -coverprofile=coverage.out
+        run: go test -race -cover -coverprofile="coverage.out" -covermode=atomic -v ./...
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          files: ./coverage.out
 
       - name: Calculate coverage
         run: go tool cover -func=coverage.out | grep total | awk '{print substr($3, 1, length($3)-1)}'
@@ -41,9 +55,3 @@ jobs:
           else
             echo "Code coverage ($COVERAGE%) meets the threshold of 75%."
           fi
-
-      - name: Install GolangCI-Lint
-        run: go install github.com/golangci/golangci-lint/cmd/golangci-lint@1.56.1
-
-      - name: Run GolangCI-Lint
-        run: golangci-lint run
diff --git a/httpclient/example_rate_limiting_round_tripper_test.go b/httpclient/example_rate_limiting_round_tripper_test.go
index bab84b4..8a37756 100644
--- a/httpclient/example_rate_limiting_round_tripper_test.go
+++ b/httpclient/example_rate_limiting_round_tripper_test.go
@@ -52,7 +52,7 @@ func ExampleNewRateLimitingRoundTripper() {
 		prev = now
 	}
 	delta := time.Since(start) - time.Second*2
-	if delta > time.Millisecond*10 {
+	if delta > time.Millisecond*20 {
 		fmt.Println("Total time is much greater than 2s")
 	} else {
 		fmt.Println("Total time is about 2s")