diff --git a/solutions/csharp/hello-world/1/HelloWorld.cs b/solutions/csharp/hello-world/1/HelloWorld.cs
new file mode 100644
index 0000000..5784ca4
--- /dev/null
+++ b/solutions/csharp/hello-world/1/HelloWorld.cs
@@ -0,0 +1,4 @@
+public static class HelloWorld
+{
+    public static string Hello() => "Hello, World!";
+}