diff --git a/defaults/main.yml b/defaults/main.yml
index 55c7b23..7564932 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -61,7 +61,7 @@ neofs_ir__blockchain_time_per_block: '15s'
 neofs_ir__blockchain_magic: '1'
 neofs_ir__blockchain_seed_nodes: []
 
-neofs_ir__blockchain_rpc_address: 'localhost'
+neofs_ir__blockchain_rpc_address: '::'
 neofs_ir__blockchain_rpc_port: 30333
 neofs_ir__blockchain_rpc_allow: []
 neofs_ir__blockchain_rpc_group_allow: []
@@ -69,7 +69,7 @@ neofs_ir__blockchain_rpc_host_allow: []
 neofs_ir__blockchain_rpc_addresses: [ '{{ neofs_ir__blockchain_rpc_address | ansible.utils.ipwrap }}:{{ neofs_ir__blockchain_rpc_port }}' ]
 
 neofs_ir__blockchain_tls_rpc_enabled: False
-neofs_ir__blockchain_tls_rpc_address: 'localhost'
+neofs_ir__blockchain_tls_rpc_address: '::'
 neofs_ir__blockchain_tls_rpc_port: 30335
 neofs_ir__blockchain_tls_rpc_allow: []
 neofs_ir__blockchain_tls_rpc_group_allow: []
@@ -80,7 +80,7 @@ neofs_ir__blockchain_tls_rpc_key: '{{ neofs_ir__conf_dir }}/server.key'
 neofs_ir__blockchain_tls_rpc_local_cert: '/local/path/to/cert'
 neofs_ir__blockchain_tls_rpc_local_key: '/local/path/to/key'
 
-neofs_ir__blockchain_p2p_address: 'localhost'
+neofs_ir__blockchain_p2p_address: '::'
 neofs_ir__blockchain_p2p_port: 20333
 neofs_ir__blockchain_p2p_allow: []
 neofs_ir__blockchain_p2p_group_allow: []