diff --git a/src/Microsoft.AspNetCore.Blazor.Build/targets/RazorCompilation.targets b/src/Microsoft.AspNetCore.Blazor.Build/targets/RazorCompilation.targets
index a70eb6b4ef..62980cfab4 100644
--- a/src/Microsoft.AspNetCore.Blazor.Build/targets/RazorCompilation.targets
+++ b/src/Microsoft.AspNetCore.Blazor.Build/targets/RazorCompilation.targets
@@ -18,5 +18,9 @@
     <Compile Update="**\*.cshtml">
       <Generator>MSBuild:BlazorCompileRazorComponents</Generator>
     </Compile>
+
+    <!-- Instruct VS to include cshtml files in its "fast up-to-date check". If we didn't, then
+         it will skip the build entirely if you only changed cshtml files. -->
+    <UpToDateCheckInput Include="$(ProjectDir)**\*.cshtml" />
   </ItemGroup>
 </Project>