diff --git a/python_modules/libraries/dagster-airbyte/dagster_airbyte/resources.py b/python_modules/libraries/dagster-airbyte/dagster_airbyte/resources.py
index 3a04fc1267457..42bf51477ab8f 100644
--- a/python_modules/libraries/dagster-airbyte/dagster_airbyte/resources.py
+++ b/python_modules/libraries/dagster-airbyte/dagster_airbyte/resources.py
@@ -96,7 +96,11 @@ def all_additional_request_params(self) -> Mapping[str, Any]:
         raise NotImplementedError()
 
     def make_request(
-        self, endpoint: str, data: Optional[Mapping[str, object]] = None, method: str = "POST"
+        self,
+        endpoint: str,
+        data: Optional[Mapping[str, object]] = None,
+        method: str = "POST",
+        include_additional_request_params: bool = True,
     ) -> Optional[Mapping[str, object]]:
         """Creates and sends a request to the desired Airbyte REST API endpoint.
 
@@ -122,10 +126,11 @@ def make_request(
                 if data:
                     request_args["json"] = data
 
-                request_args = deep_merge_dicts(
-                    request_args,
-                    self.all_additional_request_params,
-                )
+                if include_additional_request_params:
+                    request_args = deep_merge_dicts(
+                        request_args,
+                        self.all_additional_request_params,
+                    )
 
                 response = requests.request(
                     **request_args,
@@ -275,8 +280,8 @@ class AirbyteCloudResource(BaseAirbyteResource):
     client_id: str = Field(..., description="The Airbyte Cloud client ID.")
     client_secret: str = Field(..., description="The Airbyte Cloud client secret.")
 
-    _access_token_value: str = PrivateAttr()
-    _access_token_timestamp: float = PrivateAttr()
+    _access_token_value: Optional[str] = PrivateAttr(default=None)
+    _access_token_timestamp: Optional[float] = PrivateAttr(default=None)
 
     def setup_for_execution(self, context: InitResourceContext) -> None:
         # Refresh access token when the resource is initialized
@@ -288,7 +293,7 @@ def api_base_url(self) -> str:
 
     @property
     def all_additional_request_params(self) -> Mapping[str, Any]:
-        # Make sure the access token is refreshed before using it.
+        # Make sure the access token is refreshed before using it when calling the API.
         if self._needs_refreshed_access_token():
             self._refresh_access_token()
         return {
@@ -333,6 +338,8 @@ def _refresh_access_token(self) -> None:
                     "client_id": self.client_id,
                     "client_secret": self.client_secret,
                 },
+                # Must not pass the bearer access token when refreshing it.
+                include_additional_request_params=False,
             )
         )
         self._access_token_value = str(response["access_token"])
diff --git a/python_modules/libraries/dagster-airbyte/dagster_airbyte_tests/test_asset_defs.py b/python_modules/libraries/dagster-airbyte/dagster_airbyte_tests/test_asset_defs.py
index 87aef59373a55..aa4513d6a4fb7 100644
--- a/python_modules/libraries/dagster-airbyte/dagster_airbyte_tests/test_asset_defs.py
+++ b/python_modules/libraries/dagster-airbyte/dagster_airbyte_tests/test_asset_defs.py
@@ -208,7 +208,9 @@ def test_assets_with_normalization(
 
 
 def test_assets_cloud() -> None:
-    ab_resource = AirbyteCloudResource(api_key="some_key", poll_interval=0)
+    ab_resource = AirbyteCloudResource(
+        client_id="some_client_id", client_secret="some_client_secret", poll_interval=0
+    )
     ab_url = ab_resource.api_base_url
 
     ab_assets = build_airbyte_assets(
@@ -236,6 +238,11 @@ def test_assets_cloud() -> None:
             f"{ab_url}/jobs/1",
             json={"jobId": 1, "status": "succeeded", "jobType": "sync"},
         )
+        rsps.add(
+            rsps.POST,
+            f"{ab_url}/applications/token",
+            json={"access_token": "some_access_token"},
+        )
 
         res = materialize_to_memory(
             ab_assets,