diff --git a/obs-service-tar_scm.spec b/obs-service-tar_scm.spec
index 0fc831b..bfdd53a 100644
--- a/obs-service-tar_scm.spec
+++ b/obs-service-tar_scm.spec
@@ -45,11 +45,16 @@ BuildRequires:  bzr
 BuildRequires:  git-core
 BuildRequires:  mercurial
 BuildRequires:  python >= 2.6
+BuildRequires:  python-dateutil
 BuildRequires:  python-lxml
+BuildRequires:  python-mock
+BuildRequires:  python-yaml
 BuildRequires:  subversion
 Requires:       bzr
 Requires:       git-core
 Requires:       mercurial
+Requires:       python-dateutil
+Requires:       python-yaml
 Requires:       subversion
 %if 0%{?suse_version} < 1315
 Requires:       python-argparse