diff --git a/python-certbot.spec b/python-certbot.spec
index 9489156..b5f524b 100644
--- a/python-certbot.spec
+++ b/python-certbot.spec
@@ -29,6 +29,7 @@ BuildRequires:  %{python_module acme >= 0.29.0}
 BuildRequires:  %{python_module configargparse >= 0.9.3}
 BuildRequires:  %{python_module configobj}
 BuildRequires:  %{python_module cryptography >= 1.2.3}
+BuildRequires:  %{python_module distro}
 BuildRequires:  %{python_module future}
 BuildRequires:  %{python_module josepy >= 1.1.0}
 BuildRequires:  %{python_module mock}