diff --git a/kolla/cmd/build.py b/kolla/cmd/build.py
index 68babfa759..a127f02c8c 100755
--- a/kolla/cmd/build.py
+++ b/kolla/cmd/build.py
@@ -410,6 +410,19 @@ class KollaWorker(object):
 
         return rpm_setup
 
+    def copy_apt_files(self):
+        if self.conf.apt_sources_list:
+            shutil.copyfile(
+                self.conf.apt_sources_list,
+                os.path.join(self.working_dir, "base", "sources.list")
+            )
+
+        if self.conf.apt_preferences:
+            shutil.copyfile(
+                self.conf.apt_preferences,
+                os.path.join(self.working_dir, "base", "apt_preferences")
+            )
+
     def setup_working_dir(self):
         """Creates a working directory for use while building"""
         ts = time.time()
@@ -417,6 +430,7 @@ class KollaWorker(object):
         self.temp_dir = tempfile.mkdtemp(prefix='kolla-' + ts)
         self.working_dir = os.path.join(self.temp_dir, 'docker')
         shutil.copytree(self.images_dir, self.working_dir)
+        self.copy_apt_files()
         LOG.debug('Created working dir: %s', self.working_dir)
 
     def set_time(self):
diff --git a/kolla/common/config.py b/kolla/common/config.py
index 9a3da19c50..04603fc13b 100644
--- a/kolla/common/config.py
+++ b/kolla/common/config.py
@@ -141,7 +141,9 @@ _BASE_OPTS = [
     cfg.ListOpt('rpm_setup_config', default=[DELOREAN, DELOREAN_DEPS],
                 deprecated_group='kolla-build',
                 help=('Comma separated list of .rpm or .repo file(s) '
-                      'or URL(s) to install before building containers'))
+                      'or URL(s) to install before building containers')),
+    cfg.StrOpt('apt_sources_list', help=('Path to custom sources.list')),
+    cfg.StrOpt('apt_preferences', help=('Path to custom apt/preferences'))
 ]