diff --git a/internal/db/kvs/bbolt/bbolt_test.go b/internal/db/kvs/bbolt/bbolt_test.go
index 68e2f0a839..98baf02c92 100644
--- a/internal/db/kvs/bbolt/bbolt_test.go
+++ b/internal/db/kvs/bbolt/bbolt_test.go
@@ -24,7 +24,7 @@ import (
 	"github.com/vdaas/vald/internal/sync/errgroup"
 )
 
-const mode = os.FileMode(0600)
+const mode = os.FileMode(0o600)
 
 func TestNew(t *testing.T) {
 	t.Parallel()