diff --git a/shared/datastore/tests/integration/conftest.py b/shared/datastore/tests/integration/conftest.py
index 0ad380a..5c3812c 100644
--- a/shared/datastore/tests/integration/conftest.py
+++ b/shared/datastore/tests/integration/conftest.py
@@ -34,7 +34,9 @@ def setup_infrastructure(request: pytest.FixtureRequest) -> None:
         container.start()
     # update env var map
     minio_host = container_map['minio'].get_container_host_ip()
-    minio_port = container_map['minio'].get_exposed_port(9000)
+    minio_port = container_map['minio'].get_exposed_port(
+        port=env_var_map['MINIO_ENDPOINT'].rsplit(':', maxsplit=1)[-1],
+    )
     env_var_map['MINIO_ENDPOINT'] = f'{minio_host}:{minio_port}'
 
     # ensure cleanup