diff --git a/python-pbr.spec b/python-pbr.spec
index da76030..7dfe666 100644
--- a/python-pbr.spec
+++ b/python-pbr.spec
@@ -15,6 +15,7 @@ BuildRequires:  python-d2to1
 BuildRequires:  python-sphinx
 Requires:       python-setuptools_git
 BuildRequires:  python-setuptools_git
+BuildRequires:  python-testtools
 
 %description
 PBR is a library that injects some useful and sensible default behaviors into