change dependencies to use branch v8.0

Change-Id: I94e1ef61fae5ca489b5f733121078db5d845724b
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/requirements.txt b/requirements.txt
index 1f2adf9..f0a2cc2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,6 +15,6 @@
 PyYAML
 python-keystoneclient
 requests
-git+https://osm.etsi.org/gerrit/osm/common.git#egg=osm-common
-git+https://osm.etsi.org/gerrit/osm/IM.git#egg=osm-im
+git+https://osm.etsi.org/gerrit/osm/common.git@v8.0#egg=osm-common
+git+https://osm.etsi.org/gerrit/osm/IM.git@v8.0#egg=osm-im
 aiohttp>=2.3.10