diff --git a/python-reno.spec b/python-reno.spec
index c5463f8..3412979 100644
--- a/python-reno.spec
+++ b/python-reno.spec
@@ -43,6 +43,7 @@ BuildRequires:  python2-devel
 BuildRequires:  python-setuptools
 BuildRequires:  python-pbr
 BuildRequires:  python-babel
+BuildRequires:  python-dulwich
 BuildRequires:  python-six
 BuildRequires:  python-sphinx
 BuildRequires:  python-oslo-sphinx
@@ -72,6 +73,7 @@ BuildRequires:  python3-devel
 BuildRequires:  python3-setuptools
 BuildRequires:  python3-pbr
 BuildRequires:  python3-babel
+BuildRequires:  python3-dulwich
 BuildRequires:  python3-sphinx
 BuildRequires:  python3-oslo-sphinx
 BuildRequires:  python3-PyYAML