diff --git a/libumccr/aws/libs3.py b/libumccr/aws/libs3.py
index 008fcaa..e45d4d5 100644
--- a/libumccr/aws/libs3.py
+++ b/libumccr/aws/libs3.py
@@ -111,7 +111,7 @@ def bucket_exists(bucket) -> bool:
     return False
 
 
-def presign_s3_file(bucket: str, key: str) -> (bool, str):
+def presign_s3_file(bucket: str, key: str, content_disposition:str ='inline') -> (bool, str):
     """
     Generate a presigned URL
     https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/s3.html#S3.Client.generate_presigned_url
@@ -122,7 +122,7 @@ def presign_s3_file(bucket: str, key: str) -> (bool, str):
     :return tuple (bool, str): (true, signed_url) if success, otherwise (false, error message)
     """
     try:
-        return True, s3_client().generate_presigned_url('get_object', Params={'Bucket': bucket, 'Key': key})
+        return True, s3_client().generate_presigned_url('get_object', Params={'Bucket': bucket, 'Key': key, 'ResponseContentDisposition': content_disposition})
     except ClientError as e:
         message = f"Failed to sign the specified S3 object (s3://{bucket}/{key}). Exception - {e}"
         logger.error(message)
diff --git a/setup.py b/setup.py
index a899696..430d83a 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 
 setup(
     name="libumccr",
-    version="0.4.0rc3",
+    version="0.4.0rc4",
     author="UMCCR and Contributors",
     author_email="services@umccr.org",
     description="UMCCR Reusable Python modules",