diff --git a/ansible/group_vars/nimbus.prater.yml b/ansible/group_vars/nimbus.prater.yml
index b2ac7fb..58fa006 100644
--- a/ansible/group_vars/nimbus.prater.yml
+++ b/ansible/group_vars/nimbus.prater.yml
@@ -48,7 +48,10 @@ beacon_node_era_dir_path: '{{ nimbus_era_files_timer_path }}'
 beacon_node_repo_branch: '{{ node_name_to_branch_map.get(node.branch, node.branch) }}'
 # We map short names to branches to avoid too long service names.
 node_name_to_branch_map:
-  libp2p:  'nim-libp2p-auto-bump-unstable'
+  # Avoid RPC but in current 'unstable' branch.
+  # https://github.com/status-im/nimbus-eth2/issues/5753
+  unstable: 'stable'
+  libp2p:   'nim-libp2p-auto-bump-unstable'
 # Ports
 beacon_node_discovery_port: '{{ 9000 + idx }}'
 beacon_node_listening_port: '{{ 9000 + idx }}'