diff --git a/ci/deno.yml b/ci/deno.yml
index ce727a4..210e383 100644
--- a/ci/deno.yml
+++ b/ci/deno.yml
@@ -16,18 +16,21 @@ on:
 
 jobs:
   test:
-    name: Test
+    runs-on: ${{ matrix.os }}
 
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        deno: ["v1.x", "nightly"]
+        os: [macOS-latest, windows-latest, ubuntu-latest]
 
     steps:
       - name: Setup repo
         uses: actions/checkout@v2
 
       - name: Setup Deno
-        uses: denolib/setup-deno@v2
+        uses: denolib/setup-deno@c7d7968ad4a59c159a777f79adddad6872ee8d96
         with:
-          deno-version: v1.x
+          deno-version: ${{ matrix.deno }}
 
       - name: Cache Deps
         run: deno cache deps.ts