diff --git a/src/Umbraco.Core/Composing/TypeFinder.cs b/src/Umbraco.Core/Composing/TypeFinder.cs
index 5925d3dab1..e22df693e9 100644
--- a/src/Umbraco.Core/Composing/TypeFinder.cs
+++ b/src/Umbraco.Core/Composing/TypeFinder.cs
@@ -34,7 +34,7 @@ public class TypeFinder : ITypeFinder
         "ServiceStack.", "SqlCE4Umbraco,", "Superpower,", // used by Serilog
         "System.", "TidyNet,", "TidyNet.", "WebDriver,", "itextsharp,", "mscorlib,", "NUnit,", "NUnit.", "NUnit3.",
         "Selenium.", "ImageProcessor", "MiniProfiler.", "Owin,", "SQLite",
-        "ReSharperTestRunner32", // used by resharper testrunner
+        "ReSharperTestRunner32", "ReSharperTestRunner64", // These are used by the Jetbrains Rider IDE and Visual Studio ReSharper Extension
     };
 
     private static readonly ConcurrentDictionary<string, Type?> TypeNamesCache = new();