diff --git a/valeriyapetrova/hometask-1/hello_world.rb b/valeriyapetrova/hometask-1/hello_world.rb
new file mode 100755
index 00000000..206d9948
--- /dev/null
+++ b/valeriyapetrova/hometask-1/hello_world.rb
@@ -0,0 +1,4 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+puts 'Hello world!'