diff --git a/testApp/testApp.csproj b/testApp/testApp.csproj
index 7d74ace..d6b2019 100644
--- a/testApp/testApp.csproj
+++ b/testApp/testApp.csproj
@@ -8,7 +8,7 @@
     <EmbeddedResource Include="**\*.resx" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NETCore.App" Version="1.1.0" />
+    <PackageReference Include="Microsoft.NETCore.App" Version="2.0.3" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Broadlink.Net\Broadlink.Net.csproj" />