diff --git a/python39.changes b/python39.changes
index ca83578..effccb4 100644
--- a/python39.changes
+++ b/python39.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Aug  2 12:36:47 UTC 2021 - Matej Cepl <mcepl@suse.com>
+
+- Use versioned python-Sphinx to avoid dependency on other
+  version of Python (bsc#1183858).
+
 -------------------------------------------------------------------
 Sat Jun 19 00:12:04 UTC 2021 - Matej Cepl <mcepl@suse.com>
 
diff --git a/python39.spec b/python39.spec
index 08e6a95..58d2f17 100644
--- a/python39.spec
+++ b/python39.spec
@@ -169,9 +169,9 @@ BuildRequires:  pkgconfig(libnsl)
 BuildRequires:  pkgconfig(libtirpc)
 %endif
 %if %{with doc}
-BuildRequires:  python3-Sphinx
+BuildRequires:  %{python_pkg_name}-Sphinx
 %if 0%{?suse_version} >= 1500
-BuildRequires:  python3-python-docs-theme
+BuildRequires:  %{python_pkg_name}-python-docs-theme
 %endif
 %endif
 %if %{with general}