diff --git a/config_tempest/services/horizon.py b/config_tempest/services/horizon.py
index e54f7fb1..76a41eb3 100644
--- a/config_tempest/services/horizon.py
+++ b/config_tempest/services/horizon.py
@@ -21,7 +21,7 @@ from six.moves import urllib
 from config_tempest import constants as C
 
 
-def configure_horizon(conf):
+def configure_horizon(conf, **kwargs):
     """Derive the horizon URIs from the identity's URI."""
     uri = conf.get('identity', 'uri')
     u = urllib.parse.urlparse(uri)
@@ -41,3 +41,5 @@ def configure_horizon(conf):
     if has_horizon:
         conf.set('dashboard', 'dashboard_url', base + '/')
         conf.set('dashboard', 'login_url', base + '/auth/login/')
+        ssl = kwargs.get('disable_ssl_certificate_validation', False)
+        conf.set('dashboard', 'disable_ssl_certificate_validation', str(ssl))
diff --git a/config_tempest/services/services.py b/config_tempest/services/services.py
index c4fe899d..1d201c13 100644
--- a/config_tempest/services/services.py
+++ b/config_tempest/services/services.py
@@ -243,7 +243,10 @@ class Services(object):
         for s in self._services:
             s.post_configuration(self._conf, self.is_service)
 
-        horizon.configure_horizon(self._conf)
+        horizon_kwargs = {
+            "disable_ssl_certificate_validation": self._ssl_validation
+        }
+        horizon.configure_horizon(self._conf, **horizon_kwargs)
 
     def set_supported_api_versions(self):
         # set supported API versions for services with more of them
diff --git a/releasenotes/notes/Set-disable_ssl_certificate_validation-option-for-horizon-88ff17a696e8e055.yaml b/releasenotes/notes/Set-disable_ssl_certificate_validation-option-for-horizon-88ff17a696e8e055.yaml
new file mode 100644
index 00000000..eef2338f
--- /dev/null
+++ b/releasenotes/notes/Set-disable_ssl_certificate_validation-option-for-horizon-88ff17a696e8e055.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    discover-tempest-config can now automatically set
+    ``CONF.dashboard.disable_ssl_certificate_validation`` option
+    for horizon service.