diff --git a/octavia_tempest_plugin/tests/barbican_scenario/v2/test_tls_barbican.py b/octavia_tempest_plugin/tests/barbican_scenario/v2/test_tls_barbican.py
index 8be74e3..325670d 100644
--- a/octavia_tempest_plugin/tests/barbican_scenario/v2/test_tls_barbican.py
+++ b/octavia_tempest_plugin/tests/barbican_scenario/v2/test_tls_barbican.py
@@ -1271,7 +1271,17 @@
                                 const.ACTIVE,
                                 CONF.load_balancer.build_interval,
                                 CONF.load_balancer.build_timeout)
-
+        # NOTE(pas-ha): depending on what other tempest plugins are installed
+        # the eventlet might've been imported by that time, and, since
+        # dnspython 2.2.0, importing eventlet or any part of it effectively
+        # instantiates a dummy httpx.Client instance, thus pinning the ssl
+        # implementation in httpx to the eventlet's one.
+        # This leads to error in the Client() call below, as the ssl lib in
+        # this module is different from ssl lib in httpx._config,
+        # which fails isinstance check for ssl.SSLContext.
+        # Use the ssl module that is actually used by httpx to instantiate
+        # the SSL context to be used with httpx.
+        ssl = httpx._config.ssl
         context = ssl.create_default_context(cadata=self.ca_cert.public_bytes(
             serialization.Encoding.PEM).decode('utf-8'))
         context.check_hostname = False