diff --git a/zuul.d/master_jobs.yaml b/zuul.d/master_jobs.yaml
index a775711..20f76ec 100644
--- a/zuul.d/master_jobs.yaml
+++ b/zuul.d/master_jobs.yaml
@@ -303,7 +303,13 @@
       network_available_features: *available_features
       # TODO(eolivare): remove VLAN Transparency tests from blacklist
       # when bug https://bugs.launchpad.net/neutron/+bug/1907548 will be fixed
-      tempest_exclude_regex: "(^neutron_tempest_plugin.scenario.test_vlan_transparency.VlanTransparencyTest)"
+      # TODO(slaweq): remove
+      # test_established_tcp_session_after_re_attachinging_sg from the
+      # exclude regex when bug https://bugs.launchpad.net/neutron/+bug/1936911
+      # will be fixed
+      tempest_exclude_regex: "\
+          (^neutron_tempest_plugin.scenario.test_vlan_transparency.VlanTransparencyTest)|\
+          (^neutron_tempest_plugin.scenario.test_security_groups.NetworkSecGroupTest.test_established_tcp_session_after_re_attachinging_sg)"
       devstack_localrc:
         Q_AGENT: linuxbridge
         NETWORK_API_EXTENSIONS: "{{ (network_api_extensions + network_api_extensions_linuxbridge) | join(',') }}"