diff --git a/python-pyrad.changes b/python-pyrad.changes
index 93fd6aa..9f3438e 100644
--- a/python-pyrad.changes
+++ b/python-pyrad.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Nov  8 10:30:07 UTC 2021 - Dirk Müller <dmueller@suse.com>
+
+- add missing six dependency declaration
+
 -------------------------------------------------------------------
 Sun Jun 13 19:00:10 UTC 2021 - Michael Ströder <michael@stroeder.com>
 
diff --git a/python-pyrad.spec b/python-pyrad.spec
index f07ab57..0a48cf2 100644
--- a/python-pyrad.spec
+++ b/python-pyrad.spec
@@ -26,9 +26,11 @@ URL:            https://github.com/pyradius/pyrad
 Source0:        https://github.com/pyradius/pyrad/archive/%{version}.tar.gz
 BuildRequires:  %{python_module netaddr}
 BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module six}
 BuildRequires:  fdupes
 BuildRequires:  netcfg
 BuildRequires:  python-rpm-macros
+Requires:       python-six
 BuildArch:      noarch
 %python_subpackages