Update dependencies to branch

Change-Id: Idf1f3f8a843098c7193397a452e29d57a5d8824c
Signed-off-by: beierlm <mark.beierl@canonical.com>
diff --git a/requirements-dev.txt b/requirements-dev.txt
index edae3a5..277259c 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -14,5 +14,5 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #######################################################################################
-git+https://osm.etsi.org/gerrit/osm/common.git@master#egg=osm-common
+git+https://osm.etsi.org/gerrit/osm/common.git@ng-ro-refactor#egg=osm-common
     # via -r requirements-dev.in