diff --git a/cwms/timeseries/timeseries.py b/cwms/timeseries/timeseries.py
index 4d69a447..7598e340 100644
--- a/cwms/timeseries/timeseries.py
+++ b/cwms/timeseries/timeseries.py
@@ -148,11 +148,11 @@ def fetch_timeseries_chunks(
     chunks: List[Tuple[datetime, datetime]],
     ts_id: str,
     office_id: str,
-    unit: str | None,
+    unit: Optional[str],
     datum: Optional[str],
-    page_size: int | None,
+    page_size: Optional[int],
     version_date: Optional[datetime],
-    trim: bool | None,
+    trim: Optional[bool],
     max_workers: int,
 ) -> List[Data]:
     # Initialize an empty list to store results
diff --git a/pyproject.toml b/pyproject.toml
index ceeb6566..2baae65a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 name = "cwms-python"
 repository = "https://github.com/HydrologicEngineeringCenter/cwms-python"
 
-version = "0.8.3"
+version = "0.8.4"
 
 
 packages = [