diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index 8b1001b..bdd8e32 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -4,8 +4,29 @@ on:
   push:
 
 jobs:
+  preflight:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        command:
+          - test --verbose
+          - lint
+          # - typecheck
+    steps:
+      - uses: actions/checkout@v3
+        with: { token: "${{ secrets.GITHUB_TOKEN }}" }
+      - uses: actions/setup-node@v3
+        with:
+          node-version-file: ".tool-versions"
+          cache: "yarn"
+          cache-dependency-path: "yarn.lock"
+      - run: yarn install
+      - run: yarn ${{matrix.command}}
+
   deploy:
     runs-on: ubuntu-20.04
+    needs:
+      - preflight
     steps:
       - uses: actions/checkout@v3
         with: { token: "${{ secrets.GITHUB_TOKEN }}" }