diff --git a/domino_data/data_sources.py b/domino_data/data_sources.py
index 5edcaab..5084aad 100644
--- a/domino_data/data_sources.py
+++ b/domino_data/data_sources.py
@@ -653,7 +653,7 @@ def get_datasource(self, name: str) -> Datasource:
         """
         logger.info("get_datasource", datasource_name=name)
 
-        run_id = os.getenv(DOMINO_RUN_ID, "")
+        run_id = os.getenv(DOMINO_RUN_ID)
         response = get_datasource_by_name.sync_detailed(
             name,
             client=self.domino.with_auth_headers(),
diff --git a/pyproject.toml b/pyproject.toml
index 9eba443..9deebe8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "dominodatalab-data"
-version = "6.0.0.dev1"
+version = "6.0.0"
 description = "Domino Data API for interacting with Domino Data features"
 readme = "README.md"
 authors = [