diff --git a/mirrorbrain.spec b/mirrorbrain.spec
index 4cc9d7f..ae7a2fa 100644
--- a/mirrorbrain.spec
+++ b/mirrorbrain.spec
@@ -17,7 +17,7 @@ Name:		mirrorbrain
 Summary:	A download redirector and metalink generator
 Url:		http://mirrorbrain.org/
 Version:	2.18.1
-Release:	24%{?dist}
+Release:	25%{?dist}
 # ASL licensed files are: mod_autoindex_mb.c, mod_mirrorbrain.c, null-rsync
 # Other files are licensed under the GPLv2
 License:	ASL 2.0 and GPLv2
@@ -34,7 +34,11 @@ BuildRequires:	geoip-devel
 BuildRequires:	mod_form-devel
 BuildRequires:	perl-generators
 BuildRequires:	python2-devel
-BuildRequires:	python2-sphinx
+%if 0%{?fedora} >= 31
+BuildRequires:	python3-sphinx
+%else
+BuildRequires: python2-sphinx
+%endif
 
 %description
 This apache module redirects clients to mirror servers, using an SQL backend,
@@ -246,6 +250,9 @@ exit 0
 %{_bindir}/scanner
 
 %changelog
+* Fri Jun 07 2019 Andrea Veri <averi@fedoraproject.org> - 2.18.1-25
+- Use the Python 3 Sphinx package to build docs (Fixes RH BZ: #1711266)
+
 * Thu May 30 2019 Jitka Plesnikova <jplesnik@redhat.com> - 2.18.1-24
 - Perl 5.30 rebuild