diff --git a/cmd/update.go b/cmd/update.go
index 879b9ae..366e024 100644
--- a/cmd/update.go
+++ b/cmd/update.go
@@ -9,6 +9,9 @@ import (
 	"gorm.io/gorm"
 )
 
+var updateJournal bool
+var updateCommodities bool
+
 var updateCmd = &cobra.Command{
 	Use:   "update",
 	Short: "Sync journal data",
@@ -17,10 +20,21 @@ var updateCmd = &cobra.Command{
 		if err != nil {
 			log.Fatal(err)
 		}
-		model.Sync(db)
+
+		syncAll := !updateJournal && !updateCommodities
+
+		if syncAll || updateJournal {
+			model.SyncJournal(db)
+		}
+
+		if syncAll || updateCommodities {
+			model.SyncCommodities(db)
+		}
 	},
 }
 
 func init() {
 	rootCmd.AddCommand(updateCmd)
+	updateCmd.Flags().BoolVarP(&updateJournal, "journal", "j", false, "update journal")
+	updateCmd.Flags().BoolVarP(&updateCommodities, "commodity", "c", false, "update commodities")
 }
diff --git a/internal/model/model.go b/internal/model/model.go
index d5fa59d..e8a997e 100644
--- a/internal/model/model.go
+++ b/internal/model/model.go
@@ -12,12 +12,14 @@ import (
 	"gorm.io/gorm"
 )
 
-func Sync(db *gorm.DB) {
+func SyncJournal(db *gorm.DB) {
 	db.AutoMigrate(&posting.Posting{})
 	log.Info("Syncing transactions from journal")
 	postings, _ := ledger.Parse(viper.GetString("journal_path"))
 	posting.UpsertAll(db, postings)
+}
 
+func SyncCommodities(db *gorm.DB) {
 	db.AutoMigrate(&price.Price{})
 	log.Info("Fetching commodities price history")
 	type Commodity struct {