diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..7f8aadc
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,23 @@
+name: Run sanity check
+
+on:
+  push
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.11
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.11
+    - name: Set PYTHONPATH
+      run: echo "PYTHONPATH=/home/runner/work/CU-GIR/CU-GIR" >> $GITHUB_ENV
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install stix2==3.0.1 pytest
+    - name: Test with pytest
+      run: |
+        pytest
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..de2bf1d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.idea
+tests/__pycache__
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_sanity.py b/tests/test_sanity.py
new file mode 100644
index 0000000..04273ab
--- /dev/null
+++ b/tests/test_sanity.py
@@ -0,0 +1,17 @@
+import json
+import os
+
+import pytest
+from stix2 import parse
+
+
+HERE = os.path.dirname(os.path.realpath(__file__))
+with open(os.path.join(HERE, "..", "STIX", "Current", "intel471_cu-gir.json")) as fh:
+    girs = json.load(fh)
+
+
+@pytest.mark.parametrize("gir", girs)
+def test_sanity(gir):
+    parse(gir, allow_custom=True)
+
+