diff --git a/python-black.changes b/python-black.changes
index c465d41..fc0be1e 100644
--- a/python-black.changes
+++ b/python-black.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Sat Dec  5 23:44:07 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
+
+- Fix Python 3.6 for Leap 15.2 and for the upcoming python36 flavor
+  in Tumbleweed: Requires python-dataclasses
+  gh#openSUSE/python-rpm-macros#66
+
 -------------------------------------------------------------------
 Fri Sep  4 12:19:10 UTC 2020 - John Vandenberg <jayvdb@gmail.com>
 
diff --git a/python-black.spec b/python-black.spec
index 84c5d68..faecea7 100644
--- a/python-black.spec
+++ b/python-black.spec
@@ -40,6 +40,8 @@ BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module toml >= 0.10.1}
 BuildRequires:  %{python_module typed-ast >= 1.4.0}
 BuildRequires:  %{python_module typing_extensions}
+BuildRequires:  (python36-dataclasses if python36-base)
+BuildRequires:  (python3-dataclasses if python3-base < 3.7)
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-aiohttp >= 3.3.2
@@ -53,6 +55,9 @@ Requires:       python-regex >= 2020.1.8
 Requires:       python-toml >= 0.10.1
 Requires:       python-typed-ast >= 1.4.0
 Requires:       python-typing_extensions
+%if 0%{?python_version_nodots} == 36
+Requires:       python-dataclasses
+%endif
 Requires(post): update-alternatives
 Requires(postun): update-alternatives
 BuildArch:      noarch