diff --git a/python-vdirsyncer.changes b/python-vdirsyncer.changes
index 6eedfff..60277b1 100644
--- a/python-vdirsyncer.changes
+++ b/python-vdirsyncer.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Jun  7 21:35:23 UTC 2020 - Matej Cepl <mcepl@suse.com>
+
+- Add missing BR python-atomicwrites
+
 -------------------------------------------------------------------
 Mon May 18 09:10:46 UTC 2020 - Petr Gajdos <pgajdos@suse.com>
 
diff --git a/python-vdirsyncer.spec b/python-vdirsyncer.spec
index c98c4b6..5f814e8 100644
--- a/python-vdirsyncer.spec
+++ b/python-vdirsyncer.spec
@@ -33,6 +33,7 @@ Source2:        vdirsyncer.timer
 Patch0:         python-vdirsyncer-fix-tests.patch
 # default deadline (200ms) is too short for obs
 Patch1:         python-vdirsyncer-shift-deadline.patch
+BuildRequires:  %{python_module atomicwrites}
 BuildRequires:  %{python_module setuptools_scm}
 BuildRequires:  fdupes
 BuildRequires:  pkgconfig