diff --git a/common/version/version.go b/common/version/version.go
index ce95304847..7f2043871f 100644
--- a/common/version/version.go
+++ b/common/version/version.go
@@ -5,7 +5,7 @@ import (
 	"runtime/debug"
 )
 
-var tag = "v4.5.20"
+var tag = "v4.5.21"
 
 var commit = func() string {
 	if info, ok := debug.ReadBuildInfo(); ok {
diff --git a/rollup/internal/controller/relayer/l2_relayer.go b/rollup/internal/controller/relayer/l2_relayer.go
index 8c74418fad..470b8e5d05 100644
--- a/rollup/internal/controller/relayer/l2_relayer.go
+++ b/rollup/internal/controller/relayer/l2_relayer.go
@@ -220,7 +220,7 @@ func (r *Layer2Relayer) initializeGenesis() error {
 	chunk := &encoding.Chunk{Blocks: []*encoding.Block{{Header: genesis}}}
 
 	err = r.db.Transaction(func(dbTX *gorm.DB) error {
-		if err = r.l2BlockOrm.InsertL2Blocks(r.ctx, chunk.Blocks); err != nil {
+		if err = r.l2BlockOrm.InsertL2Blocks(r.ctx, chunk.Blocks, dbTX); err != nil {
 			return fmt.Errorf("failed to insert genesis block: %v", err)
 		}
 
diff --git a/rollup/internal/orm/l2_block.go b/rollup/internal/orm/l2_block.go
index f21c797dbf..c147347d94 100644
--- a/rollup/internal/orm/l2_block.go
+++ b/rollup/internal/orm/l2_block.go
@@ -173,7 +173,7 @@ func (o *L2Block) GetL2BlocksInRange(ctx context.Context, startBlockNumber uint6
 }
 
 // InsertL2Blocks inserts l2 blocks into the "l2_block" table.
-func (o *L2Block) InsertL2Blocks(ctx context.Context, blocks []*encoding.Block) error {
+func (o *L2Block) InsertL2Blocks(ctx context.Context, blocks []*encoding.Block, dbTX ...*gorm.DB) error {
 	var l2Blocks []L2Block
 	for _, block := range blocks {
 		header, err := json.Marshal(block.Header)
@@ -203,7 +203,11 @@ func (o *L2Block) InsertL2Blocks(ctx context.Context, blocks []*encoding.Block)
 		l2Blocks = append(l2Blocks, l2Block)
 	}
 
-	db := o.db.WithContext(ctx)
+	db := o.db
+	if len(dbTX) > 0 && dbTX[0] != nil {
+		db = dbTX[0]
+	}
+	db = db.WithContext(ctx)
 	db = db.Model(&L2Block{})
 
 	if err := db.Create(&l2Blocks).Error; err != nil {