diff --git a/consensus/consensus.go b/consensus/consensus.go
index 4449629..863fc12 100644
--- a/consensus/consensus.go
+++ b/consensus/consensus.go
@@ -295,14 +295,16 @@ func (in *Inner) Check_rpc() error {
 func (in *Inner) get_execution_payload(slot *uint64) (*consensus_core.ExecutionPayload, error) {
 	errorChan := make(chan error, 1)
 	blockChan := make(chan consensus_core.BeaconBlock, 1)
+	versionChan := make(chan string , 1)
 	go func() {
 		var err error
-		block, err := in.RPC.GetBlock(*slot)
+		block,version, err := in.RPC.GetBlock(*slot)
 		if err != nil {
 			errorChan <- err
 		}
 		errorChan <- nil
 		blockChan <- block
+		versionChan <- version
 	}()
 
 	if err := <-errorChan; err != nil {
@@ -310,7 +312,8 @@ func (in *Inner) get_execution_payload(slot *uint64) (*consensus_core.ExecutionP
 	}
 
 	block := <-blockChan
-	Gethblock, err := beacon.BlockFromJSON("deneb", block.Hash)
+	version := <-versionChan
+	Gethblock, err := beacon.BlockFromJSON(version, block.Hash)
 	if err != nil {
 		return nil, err
 	}
@@ -340,7 +343,7 @@ func (in *Inner) Get_payloads(startSlot, endSlot uint64) ([]interface{}, error)
 	var payloads []interface{}
 
 	// Fetch the block at endSlot to get the initial parent hash
-	endBlock, err := in.RPC.GetBlock(endSlot)
+	endBlock,_, err := in.RPC.GetBlock(endSlot)
 	if err != nil {
 		return nil, err
 	}
@@ -357,7 +360,7 @@ func (in *Inner) Get_payloads(startSlot, endSlot uint64) ([]interface{}, error)
 		wg.Add(1)
 		go func(slot uint64) {
 			defer wg.Done()
-			block, err := in.RPC.GetBlock(slot)
+			block,_, err := in.RPC.GetBlock(slot)
 			if err != nil {
 				errorChan <- err
 				return
diff --git a/consensus/rpc/consensus_rpc.go b/consensus/rpc/consensus_rpc.go
index f31ac85..5968a48 100644
--- a/consensus/rpc/consensus_rpc.go
+++ b/consensus/rpc/consensus_rpc.go
@@ -11,7 +11,7 @@ type ConsensusRpc interface {
 	GetUpdates(period uint64, count uint8) ([]consensus_core.Update, error)
 	GetFinalityUpdate() (consensus_core.FinalityUpdate, error)
 	GetOptimisticUpdate() (consensus_core.OptimisticUpdate, error)
-	GetBlock(slot uint64) (consensus_core.BeaconBlock, error)
+	GetBlock(slot uint64) (consensus_core.BeaconBlock,string, error)
 	ChainId() (uint64, error)
 }
 
diff --git a/consensus/rpc/mock_rpc.go b/consensus/rpc/mock_rpc.go
index 2fbee22..f2562c5 100644
--- a/consensus/rpc/mock_rpc.go
+++ b/consensus/rpc/mock_rpc.go
@@ -81,18 +81,18 @@ func (m *MockRpc) GetOptimisticUpdate() (consensus_core.OptimisticUpdate, error)
 	}
 	return optimistic.Data, nil
 }
-func (m *MockRpc) GetBlock(slot uint64) (consensus_core.BeaconBlock, error) {
+func (m *MockRpc) GetBlock(slot uint64) (consensus_core.BeaconBlock,string, error) {
 	path := filepath.Join(m.testdata, fmt.Sprintf("blocks/%d.json", slot))
 	res, err := os.ReadFile(path)
 	if err != nil {
-		return consensus_core.BeaconBlock{}, fmt.Errorf("failed to read file: %w", err)
+		return consensus_core.BeaconBlock{},"", fmt.Errorf("failed to read file: %w", err)
 	}
 	var block BeaconBlockResponse
 	err = json.Unmarshal(res, &block)
 	if err != nil {
-		return consensus_core.BeaconBlock{}, err
+		return consensus_core.BeaconBlock{},"", err
 	}
-	return block.Data.Message, nil
+	return block.Data.Message,block.Version, nil
 }
 func (m *MockRpc) ChainId() (uint64, error) {
 	return 0, fmt.Errorf("not implemented")
diff --git a/consensus/rpc/mock_rpc_test.go b/consensus/rpc/mock_rpc_test.go
index 8215bb9..4fff58a 100644
--- a/consensus/rpc/mock_rpc_test.go
+++ b/consensus/rpc/mock_rpc_test.go
@@ -205,7 +205,7 @@ func TestGetBlock(t *testing.T) {
 	}
 
 	mockRpc := NewMockRpc(tempDir)
-	block, err := mockRpc.GetBlock(4000)
+	block,_, err := mockRpc.GetBlock(4000)
 	if err != nil {
 		t.Fatalf("GetBlock failed: %v", err)
 	}
diff --git a/consensus/rpc/nimbus_rpc.go b/consensus/rpc/nimbus_rpc.go
index 49b66fa..7b59852 100644
--- a/consensus/rpc/nimbus_rpc.go
+++ b/consensus/rpc/nimbus_rpc.go
@@ -96,14 +96,14 @@ func (n *NimbusRpc) GetOptimisticUpdate() (consensus_core.OptimisticUpdate, erro
 	}
 	return res.Data, nil
 }
-func (n *NimbusRpc) GetBlock(slot uint64) (consensus_core.BeaconBlock, error) {
+func (n *NimbusRpc) GetBlock(slot uint64) (consensus_core.BeaconBlock,string, error) {
 	req := fmt.Sprintf("%s/eth/v2/beacon/blocks/%s", n.rpc, strconv.FormatUint(slot, 10))
 	var res BeaconBlockResponse
 	err := get(req, &res)
 	if err != nil {
-		return consensus_core.BeaconBlock{}, fmt.Errorf("block error: %w", err)
+		return consensus_core.BeaconBlock{},"", fmt.Errorf("block error: %w", err)
 	}
-	return res.Data.Message, nil
+	return res.Data.Message,res.Version, nil
 }
 func (n *NimbusRpc) ChainId() (uint64, error) {
 	req := fmt.Sprintf("%s/eth/v1/config/spec", n.rpc)
@@ -118,6 +118,7 @@ func (n *NimbusRpc) ChainId() (uint64, error) {
 // BeaconBlock, Update,FinalityUpdate ,OptimisticUpdate,Bootstrap yet to be defined in consensus-core/src/types/mod.go
 // For now defined in consensus/consensus_core.go
 type BeaconBlockResponse struct {
+	Version string
 	Data BeaconBlockData
 }
 type BeaconBlockData struct {
diff --git a/consensus/rpc/nimbus_rpc_test.go b/consensus/rpc/nimbus_rpc_test.go
index 05cd0cd..d64e1fd 100644
--- a/consensus/rpc/nimbus_rpc_test.go
+++ b/consensus/rpc/nimbus_rpc_test.go
@@ -152,7 +152,7 @@ func TestNimbusGetBlock(t *testing.T) {
 	}))
 	defer server.Close()
 	nimbusRpc := NewNimbusRpc(server.URL)
-	block, err := nimbusRpc.GetBlock(4000)
+	block,_, err := nimbusRpc.GetBlock(4000)
 	assert.NoError(t, err)
 	assert.Equal(t, uint64(4000), block.Slot)
 }