diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 00000000..1e787e5b
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,6 @@
+[pytest]
+markers =
+    jax: mark test as requiring JAX
+    numpy: mark test as requiring NumPy
+    tensorflow: mark test as requiring TensorFlow
+    torch: mark test as requiring PyTorch
diff --git a/tox.ini b/tox.ini
index 5c9c8e4f..1d9ded2e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -35,4 +35,7 @@ set_env =
         PIP_EXTRA_INDEX_URL = https://download.pytorch.org/whl/cpu
 
 commands =
-    python -m pytest tests/ -n auto -v
+    jax: python -m pytest tests/ -n auto -v -m jax
+    numpy: python -m pytest tests/ -n auto -v -m numpy
+    tensorflow: python -m pytest tests/ -n auto -v -m tensorflow
+    torch: python -m pytest tests/ -n auto -v -m torch