diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 733665b..ff67afb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - name: Install Go
+    - name: Setup Go
       uses: actions/setup-go@v2
       with:
         go-version: ${{ matrix.go-version }}
@@ -16,3 +16,30 @@
       uses: actions/checkout@v2
     - name: Test
       run: go test -race ./...
+
+  test-cache:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Setup Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.17.x
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - uses: actions/cache@v2
+      with:
+        # In order:
+        # * Module download cache
+        # * Build cache (Linux)
+        # * Build cache (Mac)
+        # * Build cache (Windows)
+        path: |
+          ~/go/pkg/mod
+          ~/.cache/go-build
+          ~/Library/Caches/go-build
+          %LocalAppData%\go-build
+        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+        restore-keys: |
+          ${{ runner.os }}-go-
+    - name: Test
+      run: go test ./...