diff --git a/Makefile b/Makefile
index 2898ce62..571b92fb 100644
--- a/Makefile
+++ b/Makefile
@@ -7,9 +7,11 @@ DOCKER_COMPOSE_RPC_DB := zkevm-rpc-db
 DOCKER_COMPOSE_BRIDGE_DB := zkevm-bridge-db
 DOCKER_COMPOSE_ZKEVM_NODE := zkevm-node
 DOCKER_COMPOSE_ZKEVM_NODE_V1TOV2 := zkevm-node-v1tov2
+DOCKER_COMPOSE_ZKEVM_AGGREGATOR_V1TOV2 := zkevm-aggregator-v1tov2
 DOCKER_COMPOSE_L1_NETWORK := zkevm-mock-l1-network
 DOCKER_COMPOSE_L1_NETWORK_V1TOV2 := zkevm-v1tov2-l1-network
 DOCKER_COMPOSE_ZKPROVER := zkevm-prover
+DOCKER_COMPOSE_ZKPROVER_V1TOV2 := zkevm-prover-v1tov2
 DOCKER_COMPOSE_BRIDGE := zkevm-bridge-service
 DOCKER_COMPOSE_BRIDGE_V1TOV2 := zkevm-bridge-service-v1tov2
 
@@ -19,9 +21,11 @@ RUN_BRIDGE_DB := $(DOCKER_COMPOSE) up -d $(DOCKER_COMPOSE_BRIDGE_DB)
 RUN_DBS := ${RUN_BRIDGE_DB} && ${RUN_STATE_DB} && ${RUN_POOL_DB}
 RUN_NODE := $(DOCKER_COMPOSE) up -d $(DOCKER_COMPOSE_ZKEVM_NODE)
 RUN_NODE_V1TOV2 := $(DOCKER_COMPOSE) up -d $(DOCKER_COMPOSE_ZKEVM_NODE_V1TOV2)
+RUN_AGGREGATOR_V1TOV2 := $(DOCKER_COMPOSE) up -d $(DOCKER_COMPOSE_ZKEVM_AGGREGATOR_V1TOV2)
 RUN_L1_NETWORK := $(DOCKER_COMPOSE) up -d $(DOCKER_COMPOSE_L1_NETWORK)
 RUN_L1_NETWORK_V1TOV2 := $(DOCKER_COMPOSE) up -d $(DOCKER_COMPOSE_L1_NETWORK_V1TOV2)
 RUN_ZKPROVER := $(DOCKER_COMPOSE) up -d $(DOCKER_COMPOSE_ZKPROVER)
+RUN_ZKPROVER_V1TOV2 := $(DOCKER_COMPOSE) up -d $(DOCKER_COMPOSE_ZKPROVER_V1TOV2)
 RUN_BRIDGE := $(DOCKER_COMPOSE) up -d $(DOCKER_COMPOSE_BRIDGE)
 RUN_BRIDGE_V1TOV2 := $(DOCKER_COMPOSE) up -d $(DOCKER_COMPOSE_BRIDGE_V1TOV2)
 
@@ -30,9 +34,11 @@ STOP_BRIDGE_DB := $(DOCKER_COMPOSE) stop $(DOCKER_COMPOSE_BRIDGE_DB) && $(DOCKER
 STOP_DBS := ${STOP_NODE_DB} && ${STOP_BRIDGE_DB}
 STOP_NODE := $(DOCKER_COMPOSE) stop $(DOCKER_COMPOSE_ZKEVM_NODE) && $(DOCKER_COMPOSE) rm -f $(DOCKER_COMPOSE_ZKEVM_NODE)
 STOP_NODE_V1TOV2 := $(DOCKER_COMPOSE) stop $(DOCKER_COMPOSE_ZKEVM_NODE_V1TOV2) && $(DOCKER_COMPOSE) rm -f $(DOCKER_COMPOSE_ZKEVM_NODE_V1TOV2)
+STOP_AGGREGATOR_V1TOV2 := $(DOCKER_COMPOSE) stop $(DOCKER_COMPOSE_ZKEVM_AGGREGATOR_V1TOV2) && $(DOCKER_COMPOSE) rm -f $(DOCKER_COMPOSE_ZKEVM_AGGREGATOR_V1TOV2)
 STOP_NETWORK := $(DOCKER_COMPOSE) stop $(DOCKER_COMPOSE_L1_NETWORK) && $(DOCKER_COMPOSE) rm -f $(DOCKER_COMPOSE_L1_NETWORK)
 STOP_NETWORK_V1TOV2 := $(DOCKER_COMPOSE) stop $(DOCKER_COMPOSE_L1_NETWORK_V1TOV2) && $(DOCKER_COMPOSE) rm -f $(DOCKER_COMPOSE_L1_NETWORK_V1TOV2)
 STOP_ZKPROVER := $(DOCKER_COMPOSE) stop $(DOCKER_COMPOSE_ZKPROVER) && $(DOCKER_COMPOSE) rm -f $(DOCKER_COMPOSE_ZKPROVER)
+STOP_ZKPROVER_V1TOV2 := $(DOCKER_COMPOSE) stop $(DOCKER_COMPOSE_ZKPROVER_V1TOV2) && $(DOCKER_COMPOSE) rm -f $(DOCKER_COMPOSE_ZKPROVER_V1TOV2)
 STOP_BRIDGE := $(DOCKER_COMPOSE) stop $(DOCKER_COMPOSE_BRIDGE) && $(DOCKER_COMPOSE) rm -f $(DOCKER_COMPOSE_BRIDGE)
 STOP_BRIDGE_V1TOV2 := $(DOCKER_COMPOSE) stop $(DOCKER_COMPOSE_BRIDGE_V1TOV2) && $(DOCKER_COMPOSE) rm -f $(DOCKER_COMPOSE_BRIDGE_V1TOV2)
 STOP := $(DOCKER_COMPOSE) down --remove-orphans
@@ -125,6 +131,14 @@ run-node-v1tov2: ## Runs the node
 stop-node-v1tov2: ## Stops the node
 	$(STOP_NODE_V1TOV2)
 
+.PHONY: run-aggregator-v1tov2
+run-aggregator-v1tov2: ## Runs the aggregator
+	$(RUN_AGGREGATOR_V1TOV2)
+
+.PHONY: stop-aggregator-v1tov2
+stop-aggregator-v1tov2: ## Stops the aggregator
+	$(STOP_AGGREGATOR_V1TOV2)
+
 .PHONY: run-network-v1tov2
 run-network-v1tov2: ## Runs the l1 network
 	$(RUN_L1_NETWORK_V1TOV2)
@@ -141,6 +155,14 @@ run-prover: ## Runs the zk prover
 stop-prover: ## Stops the zk prover
 	$(STOP_ZKPROVER)
 
+.PHONY: run-prover-v1tov2
+run-prover-v1tov2: ## Runs the zk prover
+	$(RUN_ZKPROVER_V1TOV2)
+
+.PHONY: stop-prover-v1tov2
+stop-prover-v1tov2: ## Stops the zk prover
+	$(STOP_ZKPROVER_V1TOV2)	
+
 .PHONY: run-bridge
 run-bridge: ## Runs the bridge service
 	$(RUN_BRIDGE)
@@ -180,10 +202,11 @@ run-v1tov2: stop ## runs all services
 	$(RUN_DBS)
 	$(RUN_L1_NETWORK_V1TOV2)
 	sleep 5
-	$(RUN_ZKPROVER)
+	$(RUN_ZKPROVER_V1TOV2)
 	sleep 3
 	$(RUN_NODE_V1TOV2)
 	sleep 7
+	$(RUN_AGGREGATOR_V1TOV2)
 	$(RUN_BRIDGE_V1TOV2)
 
 .PHONY: update-external-dependencies
diff --git a/docker-compose.yml b/docker-compose.yml
index 9ff895ea..daf4c5a7 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -57,7 +57,7 @@ services:
 
   zkevm-node:
     container_name: zkevm-node
-    image: hermeznetwork/zkevm-node:v0.5.0-RC18
+    image: hermeznetwork/zkevm-node:v0.5.0-RC23
     ports:
       - 8123:8123
       - 61090:61090
@@ -78,15 +78,17 @@ services:
 
   zkevm-node-v1tov2:
     container_name: zkevm-node-v1tov2
-    image: hermeznetwork/zkevm-node:v0.5.0-RC18
+    image: hermeznetwork/zkevm-node:v0.5.0-RC23
     ports:
       - 8123:8123
-      - 61090:61090
+      - 9091:9091 # needed if metrics enabled
     environment:
       - ZKEVM_NODE_STATE_DB_HOST=zkevm-state-db
       - ZKEVM_NODE_POOL_HOST=zkevm-pool-db
       - ZKEVM_NODE_RPC_DB_HOST=zkevm-rpc-db
       - ZKEVM_NODE_ETHERMAN_URL=http://zkevm-v1tov2-l1-network:8545
+      - ZKEVM_NODE_EXECUTOR_URI=zkevm-prover-v1tov2:50071
+      - ZKEVM_NODE_MTCLIENT_URI=zkevm-prover-v1tov2:50061
     volumes:
       - ./test/test.keystore.sequencer:/pk/keystore.sequencer
       - ./test/test.keystore.aggregator:/pk/keystore.aggregator
@@ -96,7 +98,30 @@ services:
       - "/bin/sh"
       - "-c"
       - "/app/zkevm-node approve --network custom --custom-network-file /app/genesis.json --am 115792089237316195423570985008687907853269984665640564039457584007913129639935 -y --cfg /app/config.toml --key-store-path /pk/keystore.sequencer --password testonly &&
-         /app/zkevm-node run --network custom --custom-network-file /app/genesis.json --cfg /app/config.toml --components \"synchronizer,rpc,sequencer,sequence-sender,aggregator,eth-tx-manager,l2gaspricer\" --http.api eth,net,debug,zkevm,txpool,web3"
+         /app/zkevm-node run --network custom --custom-network-file /app/genesis.json --cfg /app/config.toml --components \"synchronizer,rpc,sequencer,sequence-sender,eth-tx-manager,l2gaspricer\" --http.api eth,net,debug,zkevm,txpool,web3"
+
+  zkevm-aggregator-v1tov2:
+    container_name: zkevm-aggregator-v1tov2
+    image: hermeznetwork/zkevm-node:v0.5.0-RC23
+    ports:
+      - 9092:9091 # needed if metrics enabled
+    environment:
+      - ZKEVM_NODE_STATE_DB_HOST=zkevm-state-db
+      - ZKEVM_NODE_POOL_HOST=zkevm-pool-db
+      - ZKEVM_NODE_RPC_DB_HOST=zkevm-rpc-db
+      - ZKEVM_NODE_ETHERMAN_URL=http://zkevm-v1tov2-l1-network:8545
+      - ZKEVM_NODE_EXECUTOR_URI=zkevm-prover-v1tov2:50071
+      - ZKEVM_NODE_MTCLIENT_URI=zkevm-prover-v1tov2:50061
+      - ZKEVM_NODE_AGGREGATOR_UPGRADEETROGBATCHNUMBER=2
+    volumes:
+      - ./test/test.keystore.sequencer:/pk/keystore.sequencer
+      - ./test/test.keystore.aggregator:/pk/keystore.aggregator
+      - ./test/config/node/config.zkevm.node.toml:/app/config.toml
+      - ./test/config/node/genesis.local-v1tov2.json:/app/genesis.json
+    command: 
+      - "/bin/sh"
+      - "-c"
+      - "/app/zkevm-node run --network custom --custom-network-file /app/genesis.json --cfg /app/config.toml --components \"aggregator\""
 
   zkevm-mock-l1-network:
     container_name: zkevm-local-l1-network
@@ -147,6 +172,21 @@ services:
     command: >
       zkProver -c /usr/src/app/config.json
 
+  zkevm-prover-v1tov2:
+    container_name: zkevm-prover-v1tov2
+    image: hermeznetwork/zkevm-prover:v4.0.0-RC27
+    environment:
+      - AGGREGATOR_CLIENT_HOST=zkevm-aggregator-v1tov2
+    ports:
+      - 50051:50051 # Prover
+      - 50052:50052 # MockProver
+      - 50061:50061 # MT
+      - 50071:50071 # Executor
+    volumes:
+      - ./test/config/prover/config.prover.json:/usr/src/app/config.json
+    command: >
+      zkProver -c /usr/src/app/config.json
+
   zkevm-bridge-service:
     container_name: zkevm-bridge-service
     image: zkevm-bridge-service
@@ -190,4 +230,4 @@ services:
     command:
       - "/bin/sh"
       - "-c"
-      - "env && /app/zkevm-bridge run --cfg /app/config.toml"
\ No newline at end of file
+      - "/app/zkevm-bridge run --cfg /app/config.toml"
\ No newline at end of file
diff --git a/synchronizer/synchronizer.go b/synchronizer/synchronizer.go
index 3d83fd1c..c152bc4c 100644
--- a/synchronizer/synchronizer.go
+++ b/synchronizer/synchronizer.go
@@ -68,6 +68,9 @@ func NewSynchronizer(
 	if err != nil {
 		log.Fatal("error checking if LxLyEtrog is activated. Error: ", err)
 	}
+	if isActivated {
+		log.Info("LxLyEtrog already activated")
+	}
 	if networkID == 0 {
 		return &ClientSynchronizer{
 			isLxLyEtrog:      isActivated,
@@ -129,13 +132,6 @@ func (s *ClientSynchronizer) Sync() error {
 			return nil
 		case <-time.After(waitDuration):
 			log.Debugf("NetworkID: %d, syncing...", s.networkID)
-			if !s.isLxLyEtrog {
-				// Read db to see if the LxLy is already activated
-				s.isLxLyEtrog, err = s.storage.IsLxLyActivated(s.ctx, nil)
-				if err != nil {
-					log.Fatal("error checking if LxLyEtrog is activated. Error: ", err)
-				}
-			}
 			//Sync L1Blocks
 			if lastBlockSynced, err = s.syncBlocks(lastBlockSynced); err != nil {
 				log.Warnf("networkID: %d, error syncing blocks: %v", s.networkID, err)
@@ -677,5 +673,6 @@ func (s *ClientSynchronizer) processTokenWrapped(tokenWrapped etherman.TokenWrap
 
 func (s *ClientSynchronizer) activateLxLyEtrog() {
 	// this is activated when the bridge detects the CreateNewRollup or the AddExistingRollup event from the rollupManager
+	log.Info("Event received. Activating LxLyEtrog...")
 	s.isLxLyEtrog = true
 }
diff --git a/test/config/node/config.zkevm.node.toml b/test/config/node/config.zkevm.node.toml
index 8c179e89..b84821a0 100644
--- a/test/config/node/config.zkevm.node.toml
+++ b/test/config/node/config.zkevm.node.toml
@@ -138,6 +138,7 @@ ProofStatePollingInterval = "5s"
 SenderAddress = "0x70997970c51812dc3a010c7d01b50e0d17dc79c8"
 CleanupLockedProofsInterval = "2m"
 GeneratingProofCleanupThreshold = "10m"
+UpgradeEtrogBatchNumber = 0
 
 [EthTxManager]
 ForcedGas = 0