diff --git a/python-breathe.changes b/python-breathe.changes
index c3d874c..ac64ea9 100644
--- a/python-breathe.changes
+++ b/python-breathe.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Jun  2 12:57:04 UTC 2020 - Matej Cepl <mcepl@suse.com>
+
+- Increase required version of Sphinx to the one where module
+  CStructObject was introduced.
+
 -------------------------------------------------------------------
 Wed May 27 12:01:04 UTC 2020 - pgajdos@suse.com
 
diff --git a/python-breathe.spec b/python-breathe.spec
index 0b76cd4..5ae0f32 100644
--- a/python-breathe.spec
+++ b/python-breathe.spec
@@ -25,7 +25,7 @@ License:        BSD-3-Clause
 Group:          Development/Languages/Python
 URL:            https://github.com/michaeljones/breathe
 Source:         https://github.com/michaeljones/breathe/archive/v%{version}.tar.gz#/breathe-%{version}.tar.gz
-BuildRequires:  %{python_module Sphinx >= 2.0}
+BuildRequires:  %{python_module Sphinx >= 3.0.4}
 BuildRequires:  %{python_module docutils >= 0.12}
 BuildRequires:  %{python_module mock}
 BuildRequires:  %{python_module pytest}