diff --git a/PNG.csproj b/PNG.csproj
index d364a52..e253d22 100644
--- a/PNG.csproj
+++ b/PNG.csproj
@@ -3,5 +3,6 @@
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <RootNamespace>Uwaa.PNG</RootNamespace>
   </PropertyGroup>
 </Project>