diff --git a/devstack/local.conf.sample b/devstack/local.conf.sample
index 6e5b4f49..d99632ea 100644
--- a/devstack/local.conf.sample
+++ b/devstack/local.conf.sample
@@ -73,7 +73,7 @@ enable_plugin ovn-bgp-agent https://opendev.org/openstack/ovn-bgp-agent
 OVN_BUILD_MODULES=True
 OVN_BUILD_FROM_SOURCE=true
 OVN_BRANCH=main
-OVS_BRANCH=branch-3.3
+OVS_BRANCH=branch-3.4
 
 
 # If the admin wants to enable this chassis to host gateway routers for