diff --git a/tl/generate/scheme/ton_api.tl b/tl/generate/scheme/ton_api.tl
index a1fddf2b..87dadd8a 100644
--- a/tl/generate/scheme/ton_api.tl
+++ b/tl/generate/scheme/ton_api.tl
@@ -311,10 +311,12 @@ validatorSession.config catchain_idle_timeout:double catchain_max_deps:int round
         max_round_attempts:int max_block_size:int max_collated_data_size:int = validatorSession.Config;
 validatorSession.configNew catchain_idle_timeout:double catchain_max_deps:int round_candidates:int next_candidate_delay:double round_attempt_duration:int
         max_round_attempts:int max_block_size:int max_collated_data_size:int new_catchain_ids:Bool = validatorSession.Config;
+validatorSession.configVersioned catchain_idle_timeout:double catchain_max_deps:int round_candidates:int next_candidate_delay:double round_attempt_duration:int
+        max_round_attempts:int max_block_size:int max_collated_data_size:int version:int = validatorSession.Config;
 
 validatorSession.catchainOptions idle_timeout:double max_deps:int max_block_size:int block_hash_covers_data:Bool
         max_block_height_ceoff:int debug_disable_db:Bool = validatorSession.CatChainOptions;
-validatorSession.configVersioned catchain_opts:validatorSession.CatChainOptions round_candidates:int next_candidate_delay:double
+validatorSession.configVersionedV2 catchain_opts:validatorSession.CatChainOptions round_candidates:int next_candidate_delay:double
         round_attempt_duration:int max_round_attempts:int max_block_size:int max_collated_data_size:int version:int = validatorSession.Config;
 
 ---functions---
diff --git a/tl/generate/scheme/ton_api.tlo b/tl/generate/scheme/ton_api.tlo
index dd308bc0..9fb0cc43 100644
Binary files a/tl/generate/scheme/ton_api.tlo and b/tl/generate/scheme/ton_api.tlo differ
diff --git a/validator-session/validator-session.cpp b/validator-session/validator-session.cpp
index 4edd3d58..a57d33c3 100644
--- a/validator-session/validator-session.cpp
+++ b/validator-session/validator-session.cpp
@@ -882,7 +882,7 @@ td::actor::ActorOwn<ValidatorSession> ValidatorSession::create(
 }
 
 td::Bits256 ValidatorSessionOptions::get_hash() const {
-  if(!proto_version) {
+  if (proto_version == 0) {
     if (!new_catchain_ids) {
       return create_hash_tl_object<ton_api::validatorSession_config>(
           catchain_opts.idle_timeout, catchain_opts.max_deps, round_candidates, next_candidate_delay,
@@ -892,13 +892,17 @@ td::Bits256 ValidatorSessionOptions::get_hash() const {
           catchain_opts.idle_timeout, catchain_opts.max_deps, round_candidates, next_candidate_delay,
           round_attempt_duration, max_round_attempts, max_block_size, max_collated_data_size, new_catchain_ids);
     }
-  } else {
+  } else if (proto_version == 1) {
     return create_hash_tl_object<ton_api::validatorSession_configVersioned>(
+        catchain_opts.idle_timeout, catchain_opts.max_deps, round_candidates, next_candidate_delay,
+        round_attempt_duration, max_round_attempts, max_block_size, max_collated_data_size, proto_version);
+  } else {
+    return create_hash_tl_object<ton_api::validatorSession_configVersionedV2>(
         create_tl_object<ton_api::validatorSession_catchainOptions>(
             catchain_opts.idle_timeout, catchain_opts.max_deps, catchain_opts.max_serialized_block_size,
             catchain_opts.block_hash_covers_data, catchain_opts.max_block_height_coeff, catchain_opts.debug_disable_db),
-        round_candidates, next_candidate_delay, round_attempt_duration,
-        max_round_attempts, max_block_size, max_collated_data_size, proto_version);
+        round_candidates, next_candidate_delay, round_attempt_duration, max_round_attempts, max_block_size,
+        max_collated_data_size, proto_version);
   }
 }
 
diff --git a/validator/manager.cpp b/validator/manager.cpp
index c33d23c2..80356ef0 100644
--- a/validator/manager.cpp
+++ b/validator/manager.cpp
@@ -1726,8 +1726,8 @@ void ValidatorManagerImpl::update_shards() {
   td::uint32 threshold = 9407194;
   bool force_group_id_upgrade = last_masterchain_seqno_ == threshold;
   auto legacy_opts_hash = opts.get_hash();
-  if(last_masterchain_seqno_ >= threshold) { //TODO move to get_consensus_config()
-      opts.proto_version = 1;
+  if (last_masterchain_seqno_ >= threshold) { //TODO move to get_consensus_config()
+    opts.proto_version = std::max<td::uint32>(opts.proto_version, 1);
   }
   auto opts_hash = opts.get_hash();