diff --git a/parsons/google/google_bigquery.py b/parsons/google/google_bigquery.py
index 2ae3aa8337..e751e4e9bb 100644
--- a/parsons/google/google_bigquery.py
+++ b/parsons/google/google_bigquery.py
@@ -141,15 +141,32 @@ class GoogleBigQuery(DatabaseConnector):
             then will use the default inferred environment.
         location: str
             Default geographic location for tables
+        client_options: dict
+            A dictionary containing any requested client options. Defaults to the required
+            scopes for making API calls against External tables stored in Google Drive.
+            Can be set to None if these permissions are not desired
     """
 
-    def __init__(self, app_creds=None, project=None, location=None):
+    def __init__(
+        self,
+        app_creds=None,
+        project=None,
+        location=None,
+        client_options: dict = {
+            "scopes": [
+                "https://www.googleapis.com/auth/drive",
+                "https://www.googleapis.com/auth/bigquery",
+                "https://www.googleapis.com/auth/cloud-platform",
+            ]
+        },
+    ):
         self.app_creds = app_creds
 
         setup_google_application_credentials(app_creds)
 
         self.project = project
         self.location = location
+        self.client_options = client_options
 
         # We will not create the client until we need to use it, since creating the client
         # without valid GOOGLE_APPLICATION_CREDENTIALS raises an exception.
@@ -170,7 +187,11 @@ def client(self):
         """
         if not self._client:
             # Create a BigQuery client to use to make the query
-            self._client = bigquery.Client(project=self.project, location=self.location)
+            self._client = bigquery.Client(
+                project=self.project,
+                location=self.location,
+                client_options=self.client_options,
+            )
 
         return self._client