Updating refs to own branch

Change-Id: If8e0047bdfb7e4700356f32e60c222eaddeaef57
Signed-off-by: beierlm <mark.beierl@canonical.com>
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 485e45e..25e2e46 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@
     # via osm-common
 kafka-python==2.0.2
     # via aiokafka
-git+https://osm.etsi.org/gerrit/osm/common.git@master#egg=osm-common
+git+https://osm.etsi.org/gerrit/osm/common.git@sol006v331#egg=osm-common
     # via -r requirements-dev.in
 pycrypto==2.6.1
     # via osm-common