diff --git a/tcp_tests/tests/system/test_mcp_update.py b/tcp_tests/tests/system/test_mcp_update.py
index 2b4309a..51d29d0 100644
--- a/tcp_tests/tests/system/test_mcp_update.py
+++ b/tcp_tests/tests/system/test_mcp_update.py
@@ -226,11 +226,15 @@
 
 
 @pytest.fixture(scope='class')
-def switch_to_staging_updates_mirantis_repo(reclass_actions, salt_actions):
+def switch_to_staging_updates_mirantis_repo(update_to_tag,
+                                            reclass_actions,
+                                            salt_actions):
     version_param = "parameters._param.updates_mirantis_version"
     infra_yml = "cluster/*/infra/init.yml"
-
     current_version = reclass_actions.get_key(version_param, infra_yml)
+
+    if update_to_tag is not None:
+        reclass_actions.add_key(version_param, update_to_tag, infra_yml)
     if current_version == 'staging':
         LOG.info("updates.mirantis.com already set to 'staging', skipping")
         return
@@ -238,6 +242,11 @@
         LOG.info("updates.mirantis.com is not enabled, "
                  "skipping /staging repo pillar")
         return
+    if current_version is not None:
+        LOG.info("updates.mirantis.com is other tag "
+                 "skipping /staging repo pillar")
+        salt_actions.run_state("*", "saltutil.refresh_pillar")
+        return
 
     LOG.info("Switch to updates.mirantis.com/staging repo")
     reclass_actions.add_key(version_param, 'staging', infra_yml)