diff --git a/.github/workflows/bankrun.yml b/.github/workflows/bankrun.yml
new file mode 100644
index 0000000..8dba19a
--- /dev/null
+++ b/.github/workflows/bankrun.yml
@@ -0,0 +1,79 @@
+name: bankrun
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  bankrun:
+    runs-on: ubuntu-latest
+    timeout-minutes: 45
+    env:
+      SOLANA_VERSION: "4.2.1"
+      ANCHOR_VERSION: "1.1.2"
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+          cache: npm
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libudev-dev pkg-config build-essential
+
+      - name: Cache Solana
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cache/solana/
+            ~/.local/share/solana/
+          key: ${{ runner.os }}-solana-${{ env.SOLANA_VERSION }}
+
+      - name: Install Solana CLI (Agave / Anza)
+        run: |
+          sh -c "$(curl -sSfL https://release.anza.xyz/v${SOLANA_VERSION}/install)"
+          echo "$HOME/.local/share/solana/install/active_release/bin" >> "$GITHUB_PATH"
+          export PATH="$HOME/.local/share/solana/install/active_release/bin:$PATH"
+          solana --version
+          solana-keygen new --no-bip39-passphrase --silent --outfile "$HOME/.config/solana/id.json" || true
+
+      - name: Prefer rustup cargo on PATH
+        run: |
+          echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
+          rustc --version
+          cargo --version
+
+      - name: Cache Anchor / AVM
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/bin/avm
+            ~/.cargo/bin/anchor
+            ~/.avm
+          key: ${{ runner.os }}-anchor-${{ env.ANCHOR_VERSION }}
+
+      - name: Install Anchor CLI
+        run: |
+          cargo install --git https://github.com/coral-xyz/anchor avm --locked --force
+          avm install "${ANCHOR_VERSION}"
+          avm use "${ANCHOR_VERSION}"
+          echo "$HOME/.avm/bin" >> "$GITHUB_PATH"
+          echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
+          anchor --version
+
+      - name: Install npm dependencies
+        run: npm ci
+
+      - name: Build Anchor program
+        run: anchor build
+
+      - name: Run bankrun tests
+        run: npx ts-mocha -p ./tests/tsconfig.json tests/stable-invoice.ts --timeout 100000
diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..521a9f7
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1 @@
+legacy-peer-deps=true