diff --git a/ci/deno.yml b/ci/deno.yml
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+# This workflow will install Deno and run tests across stable and nightly builds on Windows, Ubuntu and macOS.
+# For more information see: https://github.com/denolib/setup-deno
+
+name: Deno CI
+
+on:
+  push:
+    branches: [$default-branch]
+  pull_request:
+    branches: [$default-branch]
+
+jobs:
+  stable:
+    name: Test on Deno Stable
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macOS-latest, windows-latest, ubuntu-latest]
+
+    steps:
+      - name: Setup repo
+        uses: actions/checkout@v2
+
+      - name: Setup Deno
+        uses: denolib/setup-deno@v2
+        with:
+          deno-version: v1.x
+
+      - name: Cache Deps
+        run: deno cache deps.ts
+
+      - name: Run Tests
+        run: deno test -A --unstable
+
+  nightly:
+    name: Test on Deno Nightly
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macOS-latest, windows-latest, ubuntu-latest]
+
+    steps:
+      - name: Setup repo
+        uses: actions/checkout@v2
+
+      - name: Setup Deno
+        uses: denolib/setup-deno@v2
+        with:
+          deno-version: nightly
+
+      - name: Cache Deps
+        run: deno cache deps.ts
+
+      - name: Run tests
+        run: deno-nightly test -A --unstable