diff --git a/src/Ellie.Econ/Gambling/Rps/RpsGame.cs b/src/Ellie.Econ/Gambling/Rps/RpsGame.cs
index 2721b4d..4fcd86e 100644
--- a/src/Ellie.Econ/Gambling/Rps/RpsGame.cs
+++ b/src/Ellie.Econ/Gambling/Rps/RpsGame.cs
@@ -1,3 +1,5 @@
+namespace Ellie.Econ.Gambling.Rps;
+
 public sealed class RpsGame
 {
     private static readonly EllieRandom _rng = new EllieRandom();