diff --git a/src/mono/wasm/testassets/BlazorBasicTestApp/App/BlazorBasicTestApp.csproj b/src/mono/wasm/testassets/BlazorBasicTestApp/App/BlazorBasicTestApp.csproj
index f24c344837e088..f8a11069c041df 100644
--- a/src/mono/wasm/testassets/BlazorBasicTestApp/App/BlazorBasicTestApp.csproj
+++ b/src/mono/wasm/testassets/BlazorBasicTestApp/App/BlazorBasicTestApp.csproj
@@ -8,8 +8,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="10.0.0-alpha.2.25073.4" />
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="10.0.0-alpha.2.25073.4" PrivateAssets="all" Condition="'$(WBTDevServer)' != 'true'" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="11.0.0-preview.4.26211.102" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="11.0.0-preview.4.26211.102" PrivateAssets="all" Condition="'$(WBTDevServer)' != 'true'" />
   </ItemGroup>
 
 </Project>
diff --git a/src/mono/wasm/testassets/BlazorBasicTestApp/RazorClassLibrary/RazorClassLibrary.csproj b/src/mono/wasm/testassets/BlazorBasicTestApp/RazorClassLibrary/RazorClassLibrary.csproj
index a6bcd3f2e3c845..dd91d250f9ca98 100644
--- a/src/mono/wasm/testassets/BlazorBasicTestApp/RazorClassLibrary/RazorClassLibrary.csproj
+++ b/src/mono/wasm/testassets/BlazorBasicTestApp/RazorClassLibrary/RazorClassLibrary.csproj
@@ -12,7 +12,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="10.0.0-alpha.2.25073.4" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="11.0.0-preview.4.26211.102" />
   </ItemGroup>
 
 </Project>
diff --git a/src/mono/wasm/testassets/BlazorMultiClientHosted/Client1/Client1.csproj b/src/mono/wasm/testassets/BlazorMultiClientHosted/Client1/Client1.csproj
index cc2037ddfabaa7..7f9588ba9ee728 100644
--- a/src/mono/wasm/testassets/BlazorMultiClientHosted/Client1/Client1.csproj
+++ b/src/mono/wasm/testassets/BlazorMultiClientHosted/Client1/Client1.csproj
@@ -6,6 +6,6 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="10.0.0-alpha.2.25073.4" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="11.0.0-preview.4.26211.102" />
   </ItemGroup>
 </Project>
diff --git a/src/mono/wasm/testassets/BlazorMultiClientHosted/Client2/Client2.csproj b/src/mono/wasm/testassets/BlazorMultiClientHosted/Client2/Client2.csproj
index 8f0edfc6a763f0..02b8082284ebff 100644
--- a/src/mono/wasm/testassets/BlazorMultiClientHosted/Client2/Client2.csproj
+++ b/src/mono/wasm/testassets/BlazorMultiClientHosted/Client2/Client2.csproj
@@ -6,6 +6,6 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="10.0.0-alpha.2.25073.4" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="11.0.0-preview.4.26211.102" />
   </ItemGroup>
 </Project>
diff --git a/src/mono/wasm/testassets/WasmOnAspNetCore/AspNetCoreServer/AspNetCoreServer.csproj b/src/mono/wasm/testassets/WasmOnAspNetCore/AspNetCoreServer/AspNetCoreServer.csproj
index 51f3643678090b..217909a27000c2 100644
--- a/src/mono/wasm/testassets/WasmOnAspNetCore/AspNetCoreServer/AspNetCoreServer.csproj
+++ b/src/mono/wasm/testassets/WasmOnAspNetCore/AspNetCoreServer/AspNetCoreServer.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="10.0.0-alpha.2.25073.4" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" Version="11.0.0-preview.4.26211.102" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/mono/wasm/testassets/WasmOnAspNetCore/BlazorClient/BlazorClient.csproj b/src/mono/wasm/testassets/WasmOnAspNetCore/BlazorClient/BlazorClient.csproj
index d96cb98376fb1a..2406b7a7a4dc95 100644
--- a/src/mono/wasm/testassets/WasmOnAspNetCore/BlazorClient/BlazorClient.csproj
+++ b/src/mono/wasm/testassets/WasmOnAspNetCore/BlazorClient/BlazorClient.csproj
@@ -13,8 +13,8 @@
 
   <!-- versions are pinned but when run from WBT level, it's taking in-tree runtime -->
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="10.0.0-alpha.2.25073.4" />
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="10.0.0-alpha.2.25073.4" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="11.0.0-preview.4.26211.102" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="11.0.0-preview.4.26211.102" PrivateAssets="all" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/mono/wasm/testassets/WasmOnAspNetCore/Shared/Shared.csproj b/src/mono/wasm/testassets/WasmOnAspNetCore/Shared/Shared.csproj
index bdd2f496f16709..382a36938bad64 100644
--- a/src/mono/wasm/testassets/WasmOnAspNetCore/Shared/Shared.csproj
+++ b/src/mono/wasm/testassets/WasmOnAspNetCore/Shared/Shared.csproj
@@ -10,7 +10,7 @@
 
   <!-- versions are pinned but when run from WBT level, it's taking in-tree runtime -->
   <ItemGroup>
-    <PackageReference Include="System.Net.Http.Json" Version="10.0.0-alpha.1.24570.9 " />
-    <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="10.0.0-alpha.2.25073.4" />
+    <PackageReference Include="System.Net.Http.Json" Version="11.0.0-preview.4.26211.102" />
+    <PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="11.0.0-preview.4.26211.102" />
   </ItemGroup>
 </Project>