diff --git a/pkg/locode/db/db.go b/pkg/locode/db/db.go
index a4a09d1..90b19ed 100644
--- a/pkg/locode/db/db.go
+++ b/pkg/locode/db/db.go
@@ -80,7 +80,7 @@ func FillDatabase(table SourceTable, airports AirportDB, continents ContinentsDB
 	var errG errgroup.Group
 
 	// Pick some sane default, after this the performance stopped increasing.
-	errG.SetLimit(runtime.NumCPU() * 4)
+	errG.SetLimit(runtime.NumCPU() * 16)
 	_ = table.IterateAll(func(tableRecord locode.Record) error {
 		errG.Go(func() error {
 			return processTableRecord(tableRecord, airports, continents, names, db)