diff --git a/internal/utils/functional/common.go b/internal/utils/functional/common.go
new file mode 100644
index 0000000..a37b162
--- /dev/null
+++ b/internal/utils/functional/common.go
@@ -0,0 +1,3 @@
+package functional
+
+const minParallelSize = 2
diff --git a/internal/utils/functional/map.go b/internal/utils/functional/map.go
index f628371..5dcfde1 100644
--- a/internal/utils/functional/map.go
+++ b/internal/utils/functional/map.go
@@ -11,8 +11,6 @@ type Map[KT comparable, VT any] struct {
 	*xsync.MapOf[KT, VT]
 }
 
-const minParallelSize = 4
-
 func NewMapOf[KT comparable, VT any](options ...func(*xsync.MapConfig)) Map[KT, VT] {
 	return Map[KT, VT]{xsync.NewMapOf[KT, VT](options...)}
 }
diff --git a/internal/utils/functional/set.go b/internal/utils/functional/set.go
index c238ae8..f67040a 100644
--- a/internal/utils/functional/set.go
+++ b/internal/utils/functional/set.go
@@ -45,6 +45,11 @@ func (set Set[T]) RangeAll(f func(T)) {
 }
 
 func (set Set[T]) RangeAllParallel(f func(T)) {
+	if set.Size() < minParallelSize {
+		set.RangeAll(f)
+		return
+	}
+
 	var wg sync.WaitGroup
 
 	set.Range(func(k T) bool {