diff --git a/tempest/api/network/admin/test_negative_quotas.py b/tempest/api/network/admin/test_negative_quotas.py
index a1a881d..c1cdbf2 100644
--- a/tempest/api/network/admin/test_negative_quotas.py
+++ b/tempest/api/network/admin/test_negative_quotas.py
@@ -60,7 +60,7 @@
                         n2['network']['id'])
 
         # Try to create a third network while the quota is two
-        with self.assertRaisesRegexp(
+        with self.assertRaisesRegex(
                 lib_exc.Conflict,
                 "An object with that identifier already exists\\n" +
                 "Details.*Quota exceeded for resources: \['network'\].*"):
diff --git a/tempest/api/network/test_dhcp_ipv6.py b/tempest/api/network/test_dhcp_ipv6.py
index fbed5e8..77008ab 100644
--- a/tempest/api/network/test_dhcp_ipv6.py
+++ b/tempest/api/network/test_dhcp_ipv6.py
@@ -338,12 +338,12 @@
                          fixed_ips=[
                              {'subnet_id': subnet['id'],
                               'ip_address': ip}])
-        self.assertRaisesRegexp(lib_exc.Conflict,
-                                "object with that identifier already exists",
-                                self.create_port,
-                                self.network,
-                                fixed_ips=[{'subnet_id': subnet['id'],
-                                            'ip_address': ip}])
+        self.assertRaisesRegex(lib_exc.Conflict,
+                               "object with that identifier already exists",
+                               self.create_port,
+                               self.network,
+                               fixed_ips=[{'subnet_id': subnet['id'],
+                                           'ip_address': ip}])
 
     def _create_subnet_router(self, kwargs):
         subnet = self.create_subnet(self.network, **kwargs)
diff --git a/tempest/api/network/test_networks.py b/tempest/api/network/test_networks.py
index a31a4f0..d916891 100644
--- a/tempest/api/network/test_networks.py
+++ b/tempest/api/network/test_networks.py
@@ -621,7 +621,7 @@
         subnet_ids = [subnet['id'] for subnet in subnets['subnets']]
         self.assertNotIn(subnet_slaac['id'], subnet_ids,
                          "Subnet wasn't deleted")
-        self.assertRaisesRegexp(
+        self.assertRaisesRegex(
             lib_exc.Conflict,
             "There are one or more ports still in use on the network",
             self.networks_client.delete_network,
diff --git a/tempest/api/network/test_security_groups_negative.py b/tempest/api/network/test_security_groups_negative.py
index 5213c18..401fa3b 100644
--- a/tempest/api/network/test_security_groups_negative.py
+++ b/tempest/api/network/test_security_groups_negative.py
@@ -227,7 +227,7 @@
                  {'ethertype': 'IPv4',
                   'ip_prefix': CONF.network.tenant_network_v6_cidr})
         for pair in pairs:
-            self.assertRaisesRegexp(
+            self.assertRaisesRegex(
                 lib_exc.BadRequest,
                 "Conflicting value ethertype",
                 self.security_group_rules_client.create_security_group_rule,