diff --git a/README.md b/README.md
index 2d64c8dc69..469506128f 100644
--- a/README.md
+++ b/README.md
@@ -109,7 +109,7 @@ You can browse https://dotnet.myget.org/gallery/blazor-dev to find the current v
 ```xml
 <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Blazor.Browser" Version="0.3.0-preview1-10220" />
-    <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" Version="0.3.0-preview1-10220" />
+    <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" Version="0.3.0-preview1-10220" PrivateAssets="all" />
     <DotNetCliToolReference Include="Microsoft.AspNetCore.Blazor.Cli" Version="0.3.0-preview1-10220" />
 </ItemGroup>
 ```
diff --git a/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorHosted-CSharp/BlazorHosted-CSharp.Client/BlazorHosted-CSharp.Client.csproj b/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorHosted-CSharp/BlazorHosted-CSharp.Client/BlazorHosted-CSharp.Client.csproj
index 4ca9064a51..2df8de15ec 100644
--- a/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorHosted-CSharp/BlazorHosted-CSharp.Client/BlazorHosted-CSharp.Client.csproj
+++ b/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorHosted-CSharp/BlazorHosted-CSharp.Client/BlazorHosted-CSharp.Client.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Blazor.Browser" Version="$(TemplateBlazorPackageVersion)" />
-    <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" Version="$(TemplateBlazorPackageVersion)" />
+    <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" Version="$(TemplateBlazorPackageVersion)" PrivateAssets="all" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorLibrary-CSharp/BlazorLibrary-CSharp.csproj b/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorLibrary-CSharp/BlazorLibrary-CSharp.csproj
index 7625da03da..a7798b1948 100644
--- a/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorLibrary-CSharp/BlazorLibrary-CSharp.csproj
+++ b/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorLibrary-CSharp/BlazorLibrary-CSharp.csproj
@@ -20,7 +20,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Blazor.Browser" Version="$(TemplateBlazorPackageVersion)" />
-    <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" Version="$(TemplateBlazorPackageVersion)" />
+    <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" Version="$(TemplateBlazorPackageVersion)" PrivateAssets="all" />
   </ItemGroup>
 
 </Project>
diff --git a/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorServerSide-CSharp/BlazorServerSide-CSharp.App/BlazorServerSide-CSharp.App.csproj b/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorServerSide-CSharp/BlazorServerSide-CSharp.App/BlazorServerSide-CSharp.App.csproj
index adfe8981d3..038d4bf3b0 100644
--- a/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorServerSide-CSharp/BlazorServerSide-CSharp.App/BlazorServerSide-CSharp.App.csproj
+++ b/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorServerSide-CSharp/BlazorServerSide-CSharp.App/BlazorServerSide-CSharp.App.csproj
@@ -14,7 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Blazor.Browser" Version="$(TemplateBlazorPackageVersion)" />
-    <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" Version="$(TemplateBlazorPackageVersion)" />
+    <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" Version="$(TemplateBlazorPackageVersion)" PrivateAssets="all" />
   </ItemGroup>
 
 </Project>
diff --git a/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorStandalone-CSharp/BlazorStandalone-CSharp.csproj b/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorStandalone-CSharp/BlazorStandalone-CSharp.csproj
index 0048627b32..1b34c39c12 100644
--- a/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorStandalone-CSharp/BlazorStandalone-CSharp.csproj
+++ b/src/Microsoft.AspNetCore.Blazor.Templates/content/BlazorStandalone-CSharp/BlazorStandalone-CSharp.csproj
@@ -12,7 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Blazor.Browser" Version="$(TemplateBlazorPackageVersion)" />
-    <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" Version="$(TemplateBlazorPackageVersion)" />
+    <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" Version="$(TemplateBlazorPackageVersion)" PrivateAssets="all" />
     <DotNetCliToolReference Include="Microsoft.AspNetCore.Blazor.Cli" Version="$(TemplateBlazorPackageVersion)" />
   </ItemGroup>