diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
new file mode 100644
index 0000000000..0c4923beb5
--- /dev/null
+++ b/.github/workflows/CI.yml
@@ -0,0 +1,32 @@
+name: CI
+
+on: [pull_request]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/cache@v3
+        with:
+          path: /home/runner/.local/share/pnpm/store
+          key: ${{ runner.os }}-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 8
+          run_install: true
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Run unit tests
+        run:
+          cd packages/synapse-bridge
+          pnpm test:unit