Add tempest api tests for security groups RBAC

Partial-Bug: #1817119
Depends-On: https://review.openstack.org/635311
Change-Id: I806d0c1763a0abc4f07a7c85922949b056ad78d8
diff --git a/requirements.txt b/requirements.txt
index dc77e63..bb836d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
-neutron-lib>=1.18.0 # Apache-2.0
+neutron-lib>=1.25.0 # Apache-2.0
 oslo.config>=5.2.0 # Apache-2.0
 ipaddress>=1.0.17;python_version<'3.3' # PSF
 netaddr>=0.7.18 # BSD