diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46eb7c27..db8c1a3a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## Unreleased
 
 ### Added
+- `content_type` keyword argument in `cloud_storage_upload_blob_from_file` task - [#47](https://github.com/PrefectHQ/prefect-gcp/pull/47)
+- `**kwargs` for all tasks in the module `cloud_storage.py` - [#47](https://github.com/PrefectHQ/prefect-gcp/pull/47)
 
 ### Changed
 - Allowed `~` character to be used in the path for service account file - [#38](https://github.com/PrefectHQ/prefect-gcp/pull/38)
diff --git a/prefect_gcp/cloud_storage.py b/prefect_gcp/cloud_storage.py
index e6fbe826..cce21e1f 100644
--- a/prefect_gcp/cloud_storage.py
+++ b/prefect_gcp/cloud_storage.py
@@ -4,7 +4,7 @@
 from functools import partial
 from io import BytesIO
 from pathlib import Path
-from typing import TYPE_CHECKING, Optional, Tuple, Union
+from typing import TYPE_CHECKING, Any, Dict, Optional, Tuple, Union
 
 from anyio import to_thread
 from prefect import get_run_logger, task
@@ -21,6 +21,7 @@ async def cloud_storage_create_bucket(
     gcp_credentials: "GcpCredentials",
     project: Optional[str] = None,
     location: Optional[str] = None,
+    **create_kwargs: Dict[str, Any]
 ) -> str:
     """
     Creates a bucket.
@@ -31,6 +32,7 @@ async def cloud_storage_create_bucket(
         project: Name of the project to use; overrides the
             gcp_credentials project if provided.
         location: Location of the bucket.
+        create_kwargs: Additional keyword arguments to pass to `client.create_bucket`.
 
     Returns:
         The bucket name.
@@ -55,7 +57,9 @@ def example_cloud_storage_create_bucket_flow():
     logger.info("Creating %s bucket", bucket)
 
     client = gcp_credentials.get_cloud_storage_client(project=project)
-    partial_create_bucket = partial(client.create_bucket, bucket, location=location)
+    partial_create_bucket = partial(
+        client.create_bucket, bucket, location=location, **create_kwargs
+    )
     await to_thread.run_sync(partial_create_bucket)
     return bucket
 
@@ -83,6 +87,7 @@ async def cloud_storage_download_blob_as_bytes(
     encryption_key: Optional[str] = None,
     timeout: Union[float, Tuple[float, float]] = 60,
     project: Optional[str] = None,
+    **download_kwargs: Dict[str, Any]
 ) -> bytes:
     """
     Downloads a blob as bytes.
@@ -102,6 +107,8 @@ async def cloud_storage_download_blob_as_bytes(
             (connect_timeout, read_timeout).
         project: Name of the project to use; overrides the
             gcp_credentials project if provided.
+        download_kwargs: Additional keyword arguments to pass to
+            `Blob.download_as_bytes`.
 
     Returns:
         A bytes or string representation of the blob object.
@@ -131,7 +138,9 @@ def example_cloud_storage_download_blob_flow():
         blob, chunk_size=chunk_size, encryption_key=encryption_key
     )
 
-    partial_download = partial(blob_obj.download_as_bytes, timeout=timeout)
+    partial_download = partial(
+        blob_obj.download_as_bytes, timeout=timeout, **download_kwargs
+    )
     contents = await to_thread.run_sync(partial_download)
     return contents
 
@@ -146,6 +155,7 @@ async def cloud_storage_download_blob_to_file(
     encryption_key: Optional[str] = None,
     timeout: Union[float, Tuple[float, float]] = 60,
     project: Optional[str] = None,
+    **download_kwargs: Dict[str, Any]
 ) -> Union[str, Path]:
     """
     Downloads a blob to a file path.
@@ -165,6 +175,8 @@ async def cloud_storage_download_blob_to_file(
             (connect_timeout, read_timeout).
         project: Name of the project to use; overrides the
             gcp_credentials project if provided.
+        download_kwargs: Additional keyword arguments to pass to
+            `Blob.download_to_filename`.
 
     Returns:
         The path to the blob object.
@@ -203,7 +215,9 @@ def example_cloud_storage_download_blob_flow():
         else:
             path = os.path.join(path, blob)  # keep as str if a str is passed
 
-    partial_download = partial(blob_obj.download_to_filename, path, timeout=timeout)
+    partial_download = partial(
+        blob_obj.download_to_filename, path, timeout=timeout, **download_kwargs
+    )
     await to_thread.run_sync(partial_download)
     return path
 
@@ -219,6 +233,7 @@ async def cloud_storage_upload_blob_from_string(
     encryption_key: Optional[str] = None,
     timeout: Union[float, Tuple[float, float]] = 60,
     project: Optional[str] = None,
+    **upload_kwargs: Dict[str, Any]
 ) -> str:
     """
     Uploads a blob from a string or bytes representation of data.
@@ -229,7 +244,7 @@ async def cloud_storage_upload_blob_from_string(
         blob: Name of the Cloud Storage blob.
         gcp_credentials: Credentials to use for authentication with GCP.
         content_type: Type of content being uploaded.
-        chunk_size (int, optional): The size of a chunk of data whenever
+        chunk_size: The size of a chunk of data whenever
             iterating (in bytes). This must be a multiple of 256 KB
             per the API specification.
         encryption_key: An encryption key.
@@ -238,6 +253,8 @@ async def cloud_storage_upload_blob_from_string(
             (connect_timeout, read_timeout).
         project: Name of the project to use; overrides the
             gcp_credentials project if provided.
+        upload_kwargs: Additional keyword arguments to pass to
+            `Blob.upload_from_string`.
 
     Returns:
         The blob name.
@@ -269,7 +286,11 @@ def example_cloud_storage_upload_blob_from_string_flow():
     )
 
     partial_upload = partial(
-        blob_obj.upload_from_string, data, content_type=content_type, timeout=timeout
+        blob_obj.upload_from_string,
+        data,
+        content_type=content_type,
+        timeout=timeout,
+        **upload_kwargs,
     )
     await to_thread.run_sync(partial_upload)
     return blob
@@ -281,10 +302,12 @@ async def cloud_storage_upload_blob_from_file(
     bucket: str,
     blob: str,
     gcp_credentials: "GcpCredentials",
+    content_type: Optional[str] = None,
     chunk_size: Optional[int] = None,
     encryption_key: Optional[str] = None,
     timeout: Union[float, Tuple[float, float]] = 60,
     project: Optional[str] = None,
+    **upload_kwargs: Dict[str, Any]
 ) -> str:
     """
     Uploads a blob from file path or file-like object. Usage for passing in
@@ -296,7 +319,8 @@ async def cloud_storage_upload_blob_from_file(
         bucket: Name of the bucket.
         blob: Name of the Cloud Storage blob.
         gcp_credentials: Credentials to use for authentication with GCP.
-        chunk_size (int, optional): The size of a chunk of data whenever
+        content_type: Type of content being uploaded.
+        chunk_size: The size of a chunk of data whenever
             iterating (in bytes). This must be a multiple of 256 KB
             per the API specification.
         encryption_key: An encryption key.
@@ -305,6 +329,8 @@ async def cloud_storage_upload_blob_from_file(
             (connect_timeout, read_timeout).
         project: Name of the project to use; overrides the
             gcp_credentials project if provided.
+        upload_kwargs: Additional keyword arguments to pass to
+            `Blob.upload_from_file` or `Blob.upload_from_filename`.
 
     Returns:
         The blob name.
@@ -336,9 +362,21 @@ def example_cloud_storage_upload_blob_from_file_flow():
     )
 
     if isinstance(file, BytesIO):
-        partial_upload = partial(blob_obj.upload_from_file, file, timeout=timeout)
+        partial_upload = partial(
+            blob_obj.upload_from_file,
+            file,
+            content_type=content_type,
+            timeout=timeout,
+            **upload_kwargs,
+        )
     else:
-        partial_upload = partial(blob_obj.upload_from_filename, file, timeout=timeout)
+        partial_upload = partial(
+            blob_obj.upload_from_filename,
+            file,
+            content_type=content_type,
+            timeout=timeout,
+            **upload_kwargs,
+        )
     await to_thread.run_sync(partial_upload)
     return blob
 
@@ -352,6 +390,7 @@ async def cloud_storage_copy_blob(
     dest_blob: Optional[str] = None,
     timeout: Union[float, Tuple[float, float]] = 60,
     project: Optional[str] = None,
+    **copy_kwargs: Dict[str, Any]
 ) -> str:
     """
     Copies data from one Google Cloud Storage bucket to another,
@@ -368,6 +407,8 @@ async def cloud_storage_copy_blob(
             (connect_timeout, read_timeout).
         project: Name of the project to use; overrides the
             gcp_credentials project if provided.
+        copy_kwargs: Additional keyword arguments to pass to
+            `Bucket.copy_blob`.
 
     Returns:
         Destination blob name.
@@ -417,6 +458,7 @@ def example_cloud_storage_copy_blob_flow():
         destination_bucket=dest_bucket_obj,
         new_name=dest_blob,
         timeout=timeout,
+        **copy_kwargs,
     )
     await to_thread.run_sync(partial_copy_blob)
 
diff --git a/tests/conftest.py b/tests/conftest.py
index d1fa2134..3f7c76f6 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2,6 +2,13 @@
 
 import pytest
 from google.cloud.exceptions import NotFound
+from prefect.testing.utilities import prefect_test_harness
+
+
+@pytest.fixture(scope="session", autouse=True)
+def prefect_db():
+    with prefect_test_harness():
+        yield
 
 
 @pytest.fixture
@@ -17,8 +24,8 @@ def __init__(self, credentials=None, project=None):
         self.credentials = credentials
         self.project = project
 
-    def create_bucket(self, bucket, location=None):
-        return {"bucket": bucket, "location": location}
+    def create_bucket(self, bucket, location=None, **create_kwargs):
+        return {"bucket": bucket, "location": location, **create_kwargs}
 
     def get_bucket(self, bucket):
         blob_obj = MagicMock()
diff --git a/tests/test_cloud_storage.py b/tests/test_cloud_storage.py
index f86be37a..42137870 100644
--- a/tests/test_cloud_storage.py
+++ b/tests/test_cloud_storage.py
@@ -20,7 +20,9 @@ def test_cloud_storage_create_bucket(gcp_credentials):
 
     @flow
     def test_flow():
-        return cloud_storage_create_bucket(bucket, gcp_credentials, location=location)
+        return cloud_storage_create_bucket(
+            bucket, gcp_credentials, location=location, timeout=10
+        )
 
     assert test_flow() == "expected"
 
@@ -30,7 +32,7 @@ def test_cloud_storage_download_blob_to_file(path, gcp_credentials):
     @flow
     def test_flow():
         return cloud_storage_download_blob_to_file(
-            "bucket", "blob", path, gcp_credentials
+            "bucket", "blob", path, gcp_credentials, timeout=10
         )
 
     assert test_flow() == path
@@ -39,7 +41,9 @@ def test_flow():
 def test_cloud_storage_download_blob_as_bytes(gcp_credentials):
     @flow
     def test_flow():
-        return cloud_storage_download_blob_as_bytes("bucket", "blob", gcp_credentials)
+        return cloud_storage_download_blob_as_bytes(
+            "bucket", "blob", gcp_credentials, timeout=10
+        )
 
     assert test_flow() == b"bytes"
 
@@ -47,17 +51,18 @@ def test_flow():
 @pytest.mark.parametrize(
     "file",
     [
-        "./file_path",
-        BytesIO(b"bytes_data"),
+        "./file_path.html",
+        BytesIO(b"<div>bytes_data</div>"),
     ],
 )
 def test_cloud_storage_upload_blob_from_file(file, gcp_credentials):
     blob = "blob"
+    content_type = "text/html"
 
     @flow
     def test_flow():
         return cloud_storage_upload_blob_from_file(
-            file, "bucket", blob, gcp_credentials
+            file, "bucket", blob, gcp_credentials, content_type=content_type, timeout=10
         )
 
     assert test_flow() == blob
@@ -77,7 +82,7 @@ def test_cloud_storage_upload_blob_from_string(data, blob, gcp_credentials):
     @flow
     def test_flow():
         return cloud_storage_upload_blob_from_string(
-            data, "bucket", "blob", gcp_credentials
+            data, "bucket", "blob", gcp_credentials, timeout=10
         )
 
     assert test_flow() == blob
@@ -93,6 +98,7 @@ def test_flow():
             "source_blob",
             gcp_credentials,
             dest_blob=dest_blob,
+            timeout=10,
         )
 
     if dest_blob is None: