diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index eb42d4b..6b60c5a 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -19,7 +19,7 @@ jobs:
       - name: setup deno
         uses: denoland/setup-deno@v2
         with:
-          deno-version: v2.x
+          deno-version: 2.9.1
 
       - name: Get Version
         id: vars
@@ -40,7 +40,7 @@ jobs:
       - name: setup deno
         uses: denoland/setup-deno@v2
         with:
-          deno-version: v2.x
+          deno-version: 2.9.1
 
       - name: Get Version
         id: vars
@@ -96,7 +96,7 @@ jobs:
       - name: setup deno
         uses: denoland/setup-deno@v2
         with:
-          deno-version: v2.x
+          deno-version: 2.9.1
 
       - name: Get Version
         id: vars
@@ -116,7 +116,7 @@ jobs:
 
       - uses: denoland/setup-deno@v2
         with:
-          deno-version: v2.x
+          deno-version: 2.9.1
 
       - run: mkdir bin
 
diff --git a/.github/workflows/verify.yaml b/.github/workflows/verify.yaml
new file mode 100644
index 0000000..f6bc3ac
--- /dev/null
+++ b/.github/workflows/verify.yaml
@@ -0,0 +1,31 @@
+name: Verify
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+
+      - name: setup deno
+        uses: denoland/setup-deno@v2
+        with:
+          deno-version: 2.9.1
+
+      - name: check formatting
+        run: deno fmt --check
+
+      - name: lint
+        run: deno lint
+
+      - name: type check
+        run: deno check mod.ts main.ts
+
+      - name: run tests
+        run: deno test -A