diff --git a/.editorconfig b/.editorconfig
index 8a5cf43521..a87e5e0651 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -77,6 +77,8 @@ csharp_style_expression_bodied_methods = false:suggestion
 #csharp_style_expression_bodied_operators = false:silent
 csharp_style_expression_bodied_properties = true:suggestion
 
+csharp_style_namespace_declarations = file_scoped:suggestion
+
 # Pattern matching preferences
 #csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
 #csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion