diff --git a/FastRngTests/MultiThreadedRngTests.cs b/FastRngTests/Double/MultiThreadedRngTests.cs
similarity index 99%
rename from FastRngTests/MultiThreadedRngTests.cs
rename to FastRngTests/Double/MultiThreadedRngTests.cs
index 747a794..0fa8a0b 100644
--- a/FastRngTests/MultiThreadedRngTests.cs
+++ b/FastRngTests/Double/MultiThreadedRngTests.cs
@@ -6,7 +6,7 @@ using FastRng.Double;
 using FastRng.Double.Distributions;
 using NUnit.Framework;
 
-namespace FastRngTests
+namespace FastRngTests.Double
 {
     [ExcludeFromCodeCoverage]
     public class MultiThreadedRngTests