Update dependencies to branch

Change-Id: I4d2e1761c95c32294804b5cad5684bc8d01fd67a
Signed-off-by: beierlm <mark.beierl@canonical.com>
diff --git a/requirements-dev.txt b/requirements-dev.txt
index cd3f5bb..024d024 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
-git+https://osm.etsi.org/gerrit/osm/IM.git@master#egg=osm-im
+git+https://osm.etsi.org/gerrit/osm/IM.git@ng-ro-refactor#egg=osm-im
     # via -r requirements-dev.in
 #######################################################################################
 # Copyright ETSI Contributors and Others.