diff --git a/distributedcloud/dccommon/drivers/openstack/sysinv_v1.py b/distributedcloud/dccommon/drivers/openstack/sysinv_v1.py
index 9e37a095c..d5da9ebc6 100644
--- a/distributedcloud/dccommon/drivers/openstack/sysinv_v1.py
+++ b/distributedcloud/dccommon/drivers/openstack/sysinv_v1.py
@@ -519,7 +519,7 @@ class SysinvClient(base.DriverBase):
     def _validate_certificate(self, signature, certificate):
         # JKUNG need to look at the crypto public serial id
         certificate_sig = hashlib.md5(
-            encodeutils.safe_encode(certificate)).hexdigest()
+            encodeutils.safe_encode(certificate), usedforsecurity=False).hexdigest()
 
         if certificate_sig == signature:
             return True
diff --git a/tox.ini b/tox.ini
index 91ab251fd..0f9828802 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@ skipsdist = True
 [testenv]
 basepython = python3
 install_command = pip install -v -v -v \
-    -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/stable/stein/upper-constraints.txt} \
+    -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/starlingx/root/raw/branch/master/build-tools/requirements/debian/upper-constraints.txt} \
     {opts} {packages}
 setenv =
     VIRTUAL_ENV={envdir}