diff --git a/pyproject.toml b/pyproject.toml
index 973e448..3a65d77 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ license = { file="LICENSE" }
 readme = "README.md"
 requires-python = ">=3.7"
 dependencies = [
-    "opentimelineio >= 0.15.0"
+    "opentimelineio >= 0.17.0.dev1"
 ]
 
 classifiers = [
diff --git a/tests/test_cdl.py b/tests/test_cdl.py
index bbb8694..cd28d92 100755
--- a/tests/test_cdl.py
+++ b/tests/test_cdl.py
@@ -12,6 +12,10 @@
 SAMPLE_DATA_DIR = os.path.join(os.path.dirname(__file__), "sample_data")
 CDL_EXAMPLE_PATH = os.path.join(SAMPLE_DATA_DIR, "cdl.edl")
 
+os.environ['OTIO_PLUGIN_MANIFEST_PATH'] = os.pathsep.join(
+    ["$OTIO_PLUGIN_MANIFEST_PATH", "../src/otio_cmx3600_adapter/plugin_manifest.json"]
+)
+
 
 class CDLAdapterTest(unittest.TestCase):
     def test_cdl_read(self):
diff --git a/tests/test_cmx_3600_adapter.py b/tests/test_cmx_3600_adapter.py
index 6ea8632..68f7ca5 100644
--- a/tests/test_cmx_3600_adapter.py
+++ b/tests/test_cmx_3600_adapter.py
@@ -15,6 +15,10 @@
 from tempfile import TemporaryDirectory  # noqa: F401
 import tempfile
 
+os.environ['OTIO_PLUGIN_MANIFEST_PATH'] = os.pathsep.join(
+    ["$OTIO_PLUGIN_MANIFEST_PATH", "../src/otio_cmx3600_adapter/plugin_manifest.json"]
+)
+
 # We import the cmx_3600 module this way to make sure the EDLParseError defined
 # in the module is properly caught. Importing the module and error directly
 # doesn't get accepted as the same exception when asserting in the