diff --git a/tox.ini b/tox.ini
index 323d8f015..9cb8581e6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -60,9 +60,7 @@ commands =
 
 [testenv:molecule]
 deps =
-    # TODO(priteau): Restore upper constraints once molecule dependency
-    # resolution is working
-    #-c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+    -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/molecule-requirements.txt
 whitelist_externals =