diff --git a/scripts/untar_gz_files.py b/scripts/untar_gz_files.py
index 169e5178..4b683eb2 100755
--- a/scripts/untar_gz_files.py
+++ b/scripts/untar_gz_files.py
@@ -75,6 +75,16 @@ def main(bucket: str, subdir: str, blob_name: str, outdir: str):
         subprocess.run(['rm', f'{filepath}'], check=True)
         logging.info(f'Deleted {file} from disk')
 
+    # Move the tarball to the "completed" directory
+    subprocess.run(
+        [
+            'gsutil',
+            'mv',
+            f'gs://{bucket}/{subdir}/{os.path.basename(blob_name)}',
+            f'gs://{bucket}/{subdir}/completed/{os.path.basename(blob_name)}',
+        ],
+        check=True,
+    )
     logging.info('All tarballs extracted and uploaded. Finishing...')