diff --git a/tefas/scraper.go b/tefas/scraper.go
index 5eaf421..8e1a6e8 100644
--- a/tefas/scraper.go
+++ b/tefas/scraper.go
@@ -33,7 +33,9 @@ type Scraper struct {
 var _ scraper.Scraper = (*Scraper)(nil)
 
 func NewScraper(options ...func(*Scraper)) *Scraper {
-	s := &Scraper{}
+	s := &Scraper{
+		workers: 5,
+	}
 	for _, o := range options {
 		o(s)
 	}
diff --git a/yahoo/scraper.go b/yahoo/scraper.go
index e10ee1e..4c50417 100644
--- a/yahoo/scraper.go
+++ b/yahoo/scraper.go
@@ -30,7 +30,9 @@ type Scraper struct {
 var _ scraper.Scraper = (*Scraper)(nil)
 
 func NewScraper(options ...func(*Scraper)) *Scraper {
-	s := &Scraper{}
+	s := &Scraper{
+		workers: 5,
+	}
 	for _, o := range options {
 		o(s)
 	}