diff --git a/python-Flask.changes b/python-Flask.changes
index a9f9e03..bebadef 100644
--- a/python-Flask.changes
+++ b/python-Flask.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Oct  5 14:19:00 UTC 2021 - Stefan Schubert <schubi@suse.de>
+
+- Added BuildRequires:  alts
+
 -------------------------------------------------------------------
 Sun Aug 22 19:07:48 UTC 2021 - Stefan Schubert <schubi@suse.de>
 
diff --git a/python-Flask.spec b/python-Flask.spec
index 5a3c57f..288f159 100644
--- a/python-Flask.spec
+++ b/python-Flask.spec
@@ -48,6 +48,7 @@ Requires:       python-click >= 7.1.2
 Requires:       python-itsdangerous >= 2.0
 %if %{with libalternatives}
 Requires:       alts
+BuildRequires:  alts
 %else
 Requires(post): update-alternatives
 Requires(postun):update-alternatives