diff --git a/pavelib/utils/db_utils.py b/pavelib/utils/db_utils.py
index bed0f0f074..7861b77f42 100644
--- a/pavelib/utils/db_utils.py
+++ b/pavelib/utils/db_utils.py
@@ -211,7 +211,7 @@ def create_tarfile_from_db_cache(fingerprint, files, path):
     return zipfile_name, zipfile_path
 
 
-def upload_to_s3(file_name, file_path, bucket_name):
+def upload_to_s3(file_name, file_path, bucket_name, replace=False):
     """
     Upload the specified files to an s3 bucket.
     """
@@ -229,7 +229,7 @@ def upload_to_s3(file_name, file_path, bucket_name):
               "Continuing without uploading the new cache to S3.")
         return
     key = boto.s3.key.Key(bucket=bucket, name=file_name)
-    bytes_written = key.set_contents_from_filename(file_path, replace=False, policy='public-read')
+    bytes_written = key.set_contents_from_filename(file_path, replace=replace, policy='public-read')
     if bytes_written:
         msg = u"Wrote {} bytes to {}.".format(bytes_written, key.name)
     else:
diff --git a/pavelib/utils/test/utils.py b/pavelib/utils/test/utils.py
index 8b562660b6..5cb543670d 100644
--- a/pavelib/utils/test/utils.py
+++ b/pavelib/utils/test/utils.py
@@ -179,5 +179,6 @@ def upload_coverage_to_s3():
     upload_to_s3(
         COVERAGE_CACHE_BASELINE,
         'reports/{}.coverage'.format(os.environ.get('TEST_SUITE', '')),
-        COVERAGE_CACHE_BUCKET
+        COVERAGE_CACHE_BUCKET,
+        replace=True,
     )