diff --git a/Cargo.toml b/Cargo.toml
index 16bf190..756c48f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "acquire-imaging"
 authors = ["Nathan Clack <nclack@chanzuckerberg.com>"]
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
 
 [lib]
diff --git a/acquire-libs/acquire-core-libs b/acquire-libs/acquire-core-libs
index 8bea9c8..60cb52c 160000
--- a/acquire-libs/acquire-core-libs
+++ b/acquire-libs/acquire-core-libs
@@ -1 +1 @@
-Subproject commit 8bea9c8ab8806d481ae943d3577c9adcede98672
+Subproject commit 60cb52cd3e42a557ade1bd3d57f32308392ab8ec
diff --git a/acquire-libs/acquire-video-runtime b/acquire-libs/acquire-video-runtime
index 4d21090..83bd825 160000
--- a/acquire-libs/acquire-video-runtime
+++ b/acquire-libs/acquire-video-runtime
@@ -1 +1 @@
-Subproject commit 4d21090545e05f830735d004484826a7d6bb8399
+Subproject commit 83bd825626e6530895598ee1f78c9cb2230d9b40
diff --git a/drivers.json b/drivers.json
index ef63141..45a06dd 100644
--- a/drivers.json
+++ b/drivers.json
@@ -1,6 +1,6 @@
 {
   "acquire-driver-common": "0.1.5",
-  "acquire-driver-zarr": "0.1.6",
+  "acquire-driver-zarr": "0.1.7",
   "acquire-driver-egrabber": "0.1.4",
   "acquire-driver-hdcam": "0.1.6",
   "acquire-driver-spinnaker": "0.1.1"
diff --git a/tests/test_basic.py b/tests/test_basic.py
index d52145b..8ef4b7d 100644
--- a/tests/test_basic.py
+++ b/tests/test_basic.py
@@ -11,16 +11,10 @@
 import tifffile
 
 
-@pytest.fixture(scope="module")
-def _runtime():
-    runtime = acquire.Runtime()
-    yield runtime
-
-
+# FIXME (aliddell): this should be module scoped, but the runtime is leaky
 @pytest.fixture(scope="function")
-def runtime(_runtime: Runtime):
-    yield _runtime
-    _runtime.set_configuration(acquire.Properties())
+def runtime():
+    yield acquire.Runtime()
 
 
 def test_set():
@@ -527,7 +521,6 @@ def test_simulated_camera_capabilities(
 )
 def test_storage_capabilities(
     runtime: Runtime,
-    request: pytest.FixtureRequest,
     descriptor: str,
     extension: str,
     chunking: Optional[Dict[str, Any]],
@@ -539,20 +532,13 @@ def test_storage_capabilities(
     p.video[0].camera.identifier = dm.select(DeviceKind.Camera, ".*empty")
     p.video[0].storage.identifier = dm.select(DeviceKind.Storage, descriptor)
 
-    # FIXME (aliddell): hack to get the storage capabilities to be populated
-    p.video[0].storage.settings.filename = f"{request.node.name}.{extension}"
-
     p.video[0].storage.settings.external_metadata_json = json.dumps(
         {"hello": "world"}
     )  # for tiff-json
     p.video[0].max_frame_count = 1000
     runtime.set_configuration(p)
 
-    # FIXME (aliddell): hack to get the storage capabilities to be populated
-    runtime.start()
     c = runtime.get_capabilities()
-    # FIXME (aliddell): hack to get the storage capabilities to be populated
-    runtime.abort()
     storage = c.video[0].storage
 
     chunk_dims_px = storage.chunk_dims_px
diff --git a/tests/test_zarr.py b/tests/test_zarr.py
index b3cdb5a..6511805 100644
--- a/tests/test_zarr.py
+++ b/tests/test_zarr.py
@@ -16,16 +16,10 @@
 from acquire import Runtime, DeviceKind
 
 
-@pytest.fixture(scope="module")
-def _runtime():
-    runtime = acquire.Runtime()
-    yield runtime
-
-
+# FIXME (aliddell): this should be module scoped, but the runtime is leaky
 @pytest.fixture(scope="function")
-def runtime(_runtime: acquire.Runtime):
-    yield _runtime
-    _runtime.set_configuration(acquire.Properties())
+def runtime():
+    yield acquire.Runtime()
 
 
 def test_write_external_metadata_to_zarr(