diff --git a/asu/common.py b/asu/common.py
index 73e51c25..fa842908 100644
--- a/asu/common.py
+++ b/asu/common.py
@@ -8,6 +8,7 @@
 from pathlib import Path
 from re import match
 from shutil import unpack_archive
+from tarfile import TarFile
 from tempfile import NamedTemporaryFile
 
 import nacl.signing
@@ -286,25 +287,17 @@ def run_container(
         logging.debug(f"Container tar: {container_tar}")
 
         host_tar = NamedTemporaryFile(delete=True)
-        logging.debug(f"Host tar: {host_tar}")
+        logging.debug(f"Copying {container_tar} to {host_tar}")
 
-        host_tar.write(b"".join(container_tar))
+        for data in container_tar:
+            host_tar.write(data)
+        host_tar.flush()
 
-        logging.debug(f"Copied {container_tar} to {host_tar}")
-
-        # check if the tar is empty
-        if host_tar.tell():
-            unpack_archive(
-                host_tar.name,
-                copy[1],
-                "tar",
-            )
-            logging.debug(f"Unpacked {host_tar} to {copy[1]}")
-        else:
-            logging.warning(f"Empty tar: {host_tar}")
-            returncode = 1
+        tar_file = TarFile(host_tar.name)
+        tar_file.extractall(copy[1])
 
         host_tar.close()
+
         logging.debug(f"Closed {host_tar}")
 
     try:
diff --git a/pyproject.toml b/pyproject.toml
index 10ab5f8c..66296814 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,6 +18,7 @@ prometheus-client = ">=0.13.1,<0.21.0"
 gunicorn = ">=20.1,<22.0"
 podman = ">=4.4.1,<6.0.0"
 setuptools = "^69.0.3"
+boto3 = "^1.34.75"
 
 [tool.poetry.group.dev.dependencies]
 ruff = ">=0.2.2,<0.4.0"