diff --git a/.github/workflows/ci-deep.yml b/.github/workflows/ci-deep.yml
new file mode 100644
index 00000000..783ef6a6
--- /dev/null
+++ b/.github/workflows/ci-deep.yml
@@ -0,0 +1,71 @@
+name: "CI Deep"
+
+env:
+  RPC_URL_GOERLI: ${{ secrets.RPC_URL_GOERLI }}
+
+on:
+  schedule:
+    - cron: "0 3 * * 0" # at 3:00am UTC every Sunday
+  workflow_dispatch:
+    inputs:
+      forkFuzzRuns:
+        default: "250"
+        description: "Number of fuzz runs for each fork test."
+        required: false
+
+jobs:
+  lint:
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Check out the repo"
+        uses: "actions/checkout@v3"
+
+      - name: "Install Foundry"
+        uses: "foundry-rs/foundry-toolchain@v1"
+
+      - name: "Install Pnpm"
+        uses: "pnpm/action-setup@v2"
+        with:
+          version: "8"
+
+      - name: "Install Node.js"
+        uses: "actions/setup-node@v3"
+        with:
+          cache: "pnpm"
+          node-version: "lts/*"
+
+      - name: "Install the Node.js dependencies"
+        run: "pnpm install"
+
+      - name: "Lint the contracts"
+        run: "pnpm lint"
+
+      - name: "Add lint summary"
+        run: |
+          echo "## Lint result" >> $GITHUB_STEP_SUMMARY
+          echo "✅ Passed" >> $GITHUB_STEP_SUMMARY
+
+  test:
+    env:
+      FOUNDRY_FUZZ_RUNS: ${{ inputs.forkFuzzRuns || '250' }}
+    needs: "lint"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Check out the repo"
+        uses: "actions/checkout@v3"
+        with:
+          submodules: "recursive"
+
+      - name: "Install Foundry"
+        uses: "foundry-rs/foundry-toolchain@v1"
+
+      - name: "Produce an optimized build with --via-ir"
+        run: "FOUNDRY_PROFILE=optimized forge build"
+
+      - name: "Run the fork tests against the optimized build"
+        run: "FOUNDRY_PROFILE=test-optimized forge test --match-path \"test/fork/**/*.sol\""
+
+      - name: "Add test summary"
+        run: |
+          echo "## Fork tests result" >> $GITHUB_STEP_SUMMARY
+          echo "✅ Passed" >> $GITHUB_STEP_SUMMARY