diff --git a/python-funcparserlib.changes b/python-funcparserlib.changes
index 5eaa0c5..e905c9c 100644
--- a/python-funcparserlib.changes
+++ b/python-funcparserlib.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Nov  8 14:50:25 UTC 2021 - Dirk Müller <dmueller@suse.com>
+
+- add missing six dependency 
+
 -------------------------------------------------------------------
 Wed Sep  9 08:10:23 UTC 2020 - pgajdos@suse.com
 
diff --git a/python-funcparserlib.spec b/python-funcparserlib.spec
index 2e03c26..ff38259 100644
--- a/python-funcparserlib.spec
+++ b/python-funcparserlib.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-funcparserlib
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -27,6 +27,7 @@ URL:            https://github.com/vlasovskikh/funcparserlib
 Source:         https://files.pythonhosted.org/packages/source/f/funcparserlib/funcparserlib-%{version}.tar.gz
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module six}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 BuildRequires:  python3-modernize