diff --git a/demo/dotnetCampus.Ipc.Demo/dotnetCampus.Ipc.Demo.csproj b/demo/dotnetCampus.Ipc.Demo/dotnetCampus.Ipc.Demo.csproj
index bac34514..69d90982 100644
--- a/demo/dotnetCampus.Ipc.Demo/dotnetCampus.Ipc.Demo.csproj
+++ b/demo/dotnetCampus.Ipc.Demo/dotnetCampus.Ipc.Demo.csproj
@@ -4,6 +4,8 @@
         <OutputType>Exe</OutputType>
         <TargetFramework>netcoreapp3.1</TargetFramework>
         <Nullable>enable</Nullable>
+
+        <IsPackable>false</IsPackable>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/demo/dotnetCampus.Ipc.WpfDemo/dotnetCampus.Ipc.WpfDemo.csproj b/demo/dotnetCampus.Ipc.WpfDemo/dotnetCampus.Ipc.WpfDemo.csproj
index c909f16d..99294541 100644
--- a/demo/dotnetCampus.Ipc.WpfDemo/dotnetCampus.Ipc.WpfDemo.csproj
+++ b/demo/dotnetCampus.Ipc.WpfDemo/dotnetCampus.Ipc.WpfDemo.csproj
@@ -5,7 +5,9 @@
     <TargetFrameworks>netcoreapp3.1;net45</TargetFrameworks>
     <UseWPF>true</UseWPF>
     <Nullable>enable</Nullable>
-  </PropertyGroup>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup> 
 
   <ItemGroup>
       <PackageReference Include="dotnetCampus.CommandLine" Version="3.3.0" />