diff --git a/ascend_deployer/downloader/rpm_downloader.py b/ascend_deployer/downloader/rpm_downloader.py
index e4f0d669aa15c595d1fd6323dd83ab170cfdeaad..1c1950644a29d42809d5bbf8ab562ef5d90ff028 100644
--- a/ascend_deployer/downloader/rpm_downloader.py
+++ b/ascend_deployer/downloader/rpm_downloader.py
@@ -223,6 +223,7 @@ class Yum(object):
         for pkg_key, pkg in enumerate(handler.packages):
             pkg.dump_to_primary_sqlite(pkg_key + 1, yum_meta_sqlite.primary_cur)
         yum_meta_sqlite.primary_connection.commit()
+        yum_meta_sqlite.primary_connection.close()
 
     def make_cache(self):
         """