diff --git a/1-WebApp-OIDC/1-1-MyOrg/WebApp-OpenIDConnect-DotNet.csproj b/1-WebApp-OIDC/1-1-MyOrg/WebApp-OpenIDConnect-DotNet.csproj
index c37af487..b7487486 100644
--- a/1-WebApp-OIDC/1-1-MyOrg/WebApp-OpenIDConnect-DotNet.csproj
+++ b/1-WebApp-OIDC/1-1-MyOrg/WebApp-OpenIDConnect-DotNet.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <!--<AspNetCoreHostingModel>InProcess</AspNetCoreHostingModel>-->
     <UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet-81EA87AD-E64D-4755-A1CC-5EA47F49B5D8</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
@@ -24,13 +24,13 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.Certificate" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.Certificateless" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.Diagnostics" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.TokenAcquisition" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.TokenCache" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.Certificate" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.Certificateless" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.Diagnostics" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.TokenAcquisition" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.TokenCache" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.0.0" />
   </ItemGroup>
 
diff --git a/1-WebApp-OIDC/1-2-AnyOrg/WebApp-OpenIDConnect-DotNet.csproj b/1-WebApp-OIDC/1-2-AnyOrg/WebApp-OpenIDConnect-DotNet.csproj
index baa2d4af..bbb79922 100644
--- a/1-WebApp-OIDC/1-2-AnyOrg/WebApp-OpenIDConnect-DotNet.csproj
+++ b/1-WebApp-OIDC/1-2-AnyOrg/WebApp-OpenIDConnect-DotNet.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet-81EA87AD-E64D-4755-A1CC-5EA47F49B5D8</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
@@ -18,13 +18,13 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.Certificate" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.Certificateless" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.Diagnostics" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.TokenAcquisition" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.TokenCache" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.Certificate" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.Certificateless" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.Diagnostics" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.TokenAcquisition" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.TokenCache" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
   </ItemGroup>
 
 </Project>
diff --git a/1-WebApp-OIDC/1-3-AnyOrgOrPersonal/WebApp-OpenIDConnect-DotNet.csproj b/1-WebApp-OIDC/1-3-AnyOrgOrPersonal/WebApp-OpenIDConnect-DotNet.csproj
index cecf16fe..787d10e6 100644
--- a/1-WebApp-OIDC/1-3-AnyOrgOrPersonal/WebApp-OpenIDConnect-DotNet.csproj
+++ b/1-WebApp-OIDC/1-3-AnyOrgOrPersonal/WebApp-OpenIDConnect-DotNet.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet-81EA87AD-E64D-4755-A1CC-5EA47F49B5D8</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
@@ -18,8 +18,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
   </ItemGroup>
 
 </Project>
diff --git a/1-WebApp-OIDC/1-4-Sovereign/WebApp-OpenIDConnect-DotNet.csproj b/1-WebApp-OIDC/1-4-Sovereign/WebApp-OpenIDConnect-DotNet.csproj
index cecf16fe..787d10e6 100644
--- a/1-WebApp-OIDC/1-4-Sovereign/WebApp-OpenIDConnect-DotNet.csproj
+++ b/1-WebApp-OIDC/1-4-Sovereign/WebApp-OpenIDConnect-DotNet.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet-81EA87AD-E64D-4755-A1CC-5EA47F49B5D8</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
@@ -18,8 +18,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
   </ItemGroup>
 
 </Project>
diff --git a/1-WebApp-OIDC/1-5-B2C/WebApp-OpenIDConnect-DotNet.csproj b/1-WebApp-OIDC/1-5-B2C/WebApp-OpenIDConnect-DotNet.csproj
index cecf16fe..787d10e6 100644
--- a/1-WebApp-OIDC/1-5-B2C/WebApp-OpenIDConnect-DotNet.csproj
+++ b/1-WebApp-OIDC/1-5-B2C/WebApp-OpenIDConnect-DotNet.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet-81EA87AD-E64D-4755-A1CC-5EA47F49B5D8</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
@@ -18,8 +18,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
   </ItemGroup>
 
 </Project>
diff --git a/2-WebApp-graph-user/2-1-Call-MSGraph/WebApp-OpenIDConnect-DotNet-graph.csproj b/2-WebApp-graph-user/2-1-Call-MSGraph/WebApp-OpenIDConnect-DotNet-graph.csproj
index 21fcf671..baa8f432 100644
--- a/2-WebApp-graph-user/2-1-Call-MSGraph/WebApp-OpenIDConnect-DotNet-graph.csproj
+++ b/2-WebApp-graph-user/2-1-Call-MSGraph/WebApp-OpenIDConnect-DotNet-graph.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet_graph-0701D544-D6FC-4E5A-84E4-B8DD052BA93F</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
     <RootNamespace>CallMSGraph</RootNamespace>
@@ -9,8 +9,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClientBeta" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClientBeta" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.5" />
   </ItemGroup>
 
diff --git a/2-WebApp-graph-user/2-2-TokenCache/WebApp-OpenIDConnect-DotNet.csproj b/2-WebApp-graph-user/2-2-TokenCache/WebApp-OpenIDConnect-DotNet.csproj
index 0c85f1cf..4098e7de 100644
--- a/2-WebApp-graph-user/2-2-TokenCache/WebApp-OpenIDConnect-DotNet.csproj
+++ b/2-WebApp-graph-user/2-2-TokenCache/WebApp-OpenIDConnect-DotNet.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet-81EA87AD-E64D-4755-A1CC-5EA47F49B5D8</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
@@ -21,8 +21,8 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.8" />
     <PackageReference Include="Microsoft.Extensions.Caching.SqlServer" Version="3.1.8" />
     <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.4" />
   </ItemGroup>
   
 
diff --git a/2-WebApp-graph-user/2-3-Multi-Tenant/WebApp-MultiTenant-v2.csproj b/2-WebApp-graph-user/2-3-Multi-Tenant/WebApp-MultiTenant-v2.csproj
index d1976946..242266be 100644
--- a/2-WebApp-graph-user/2-3-Multi-Tenant/WebApp-MultiTenant-v2.csproj
+++ b/2-WebApp-graph-user/2-3-Multi-Tenant/WebApp-MultiTenant-v2.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>WebApp-MultiTenant-v2-99C23405-82C0-4B27-8A15-F3B0744E06BE</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
     <RootNamespace>WebApp_OpenIDConnect_DotNet</RootNamespace>
@@ -18,8 +18,8 @@
     </PackageReference>
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="7.0.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.MicrosoftGraph" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.MicrosoftGraph" Version="2.15.4" />
   </ItemGroup>
 
 </Project>
diff --git a/2-WebApp-graph-user/2-4-Sovereign-Call-MSGraph/WebApp-OpenIDConnect-DotNet.csproj b/2-WebApp-graph-user/2-4-Sovereign-Call-MSGraph/WebApp-OpenIDConnect-DotNet.csproj
index e810bc48..0693cb9b 100644
--- a/2-WebApp-graph-user/2-4-Sovereign-Call-MSGraph/WebApp-OpenIDConnect-DotNet.csproj
+++ b/2-WebApp-graph-user/2-4-Sovereign-Call-MSGraph/WebApp-OpenIDConnect-DotNet.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
 	<PropertyGroup>
-		<TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
 		<UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet-81EA87AD-E64D-4755-A1CC-5EA47F49B5D8</UserSecretsId>
 		<WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
 	</PropertyGroup>
@@ -18,9 +18,9 @@
 	</ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
-	  <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
+	  <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.4" />
   </ItemGroup>
 
 </Project>
diff --git a/2-WebApp-graph-user/2-5-HybridFlow/2-5-HybridFlow.csproj b/2-WebApp-graph-user/2-5-HybridFlow/2-5-HybridFlow.csproj
index 229614f1..72463b68 100644
--- a/2-WebApp-graph-user/2-5-HybridFlow/2-5-HybridFlow.csproj
+++ b/2-WebApp-graph-user/2-5-HybridFlow/2-5-HybridFlow.csproj
@@ -1,16 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFrameworks>net6.0; net8.0</TargetFrameworks>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <RootNamespace>WebApp_OpenIDConnect_DotNet</RootNamespace>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="6.0.3" />
   </ItemGroup>
 
diff --git a/2-WebApp-graph-user/2-6-BFF-Proxy/CallGraphBFF/CallGraphBFF.csproj b/2-WebApp-graph-user/2-6-BFF-Proxy/CallGraphBFF/CallGraphBFF.csproj
index 7eab164c..d6a72c9f 100644
--- a/2-WebApp-graph-user/2-6-BFF-Proxy/CallGraphBFF/CallGraphBFF.csproj
+++ b/2-WebApp-graph-user/2-6-BFF-Proxy/CallGraphBFF/CallGraphBFF.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <Nullable>enable</Nullable>
     <TypeScriptCompileBlocked>true</TypeScriptCompileBlocked>
     <TypeScriptToolsVersion>Latest</TypeScriptToolsVersion>
@@ -15,9 +15,9 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.SpaProxy" Version="7.0.5" />
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/3-WebApp-multi-APIs/WebApp-OpenIDConnect-DotNet.csproj b/3-WebApp-multi-APIs/WebApp-OpenIDConnect-DotNet.csproj
index 8598caad..c760320b 100644
--- a/3-WebApp-multi-APIs/WebApp-OpenIDConnect-DotNet.csproj
+++ b/3-WebApp-multi-APIs/WebApp-OpenIDConnect-DotNet.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet-81EA87AD-E64D-4755-A1CC-5EA47F49B5D8</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
@@ -19,8 +19,8 @@
 
   <ItemGroup>
     <PackageReference Include="Azure.Storage.Blobs" Version="12.13.4" />
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
diff --git a/4-WebApp-your-API/4-1-MyOrg/Client/TodoListClient.csproj b/4-WebApp-your-API/4-1-MyOrg/Client/TodoListClient.csproj
index 76134803..36dd3fa9 100644
--- a/4-WebApp-your-API/4-1-MyOrg/Client/TodoListClient.csproj
+++ b/4-WebApp-your-API/4-1-MyOrg/Client/TodoListClient.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet-81EA87AD-E64D-4755-A1CC-5EA47F49B5D8</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
@@ -18,9 +18,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.DownstreamApi" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.DownstreamApi" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
diff --git a/4-WebApp-your-API/4-1-MyOrg/TodoListService/TodoListService.csproj b/4-WebApp-your-API/4-1-MyOrg/TodoListService/TodoListService.csproj
index 6ae84f8f..23974845 100644
--- a/4-WebApp-your-API/4-1-MyOrg/TodoListService/TodoListService.csproj
+++ b/4-WebApp-your-API/4-1-MyOrg/TodoListService/TodoListService.csproj
@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-TodoListService-03230DB1-5145-408C-A48B-BE3DAFC56C30</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
   </ItemGroup>
 
 </Project>
diff --git a/4-WebApp-your-API/4-2-B2C/Client/TodoListClient.csproj b/4-WebApp-your-API/4-2-B2C/Client/TodoListClient.csproj
index 5f5e6bd8..e8f5843e 100644
--- a/4-WebApp-your-API/4-2-B2C/Client/TodoListClient.csproj
+++ b/4-WebApp-your-API/4-2-B2C/Client/TodoListClient.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet-81EA87AD-E64D-4755-A1CC-5EA47F49B5D9</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
@@ -22,8 +22,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
diff --git a/4-WebApp-your-API/4-2-B2C/TodoListService/TodoListService.csproj b/4-WebApp-your-API/4-2-B2C/TodoListService/TodoListService.csproj
index 6ae84f8f..23974845 100644
--- a/4-WebApp-your-API/4-2-B2C/TodoListService/TodoListService.csproj
+++ b/4-WebApp-your-API/4-2-B2C/TodoListService/TodoListService.csproj
@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-TodoListService-03230DB1-5145-408C-A48B-BE3DAFC56C30</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="2.15.4" />
   </ItemGroup>
 
 </Project>
diff --git a/4-WebApp-your-API/4-3-AnyOrg/ToDoListClient/ToDoListClient.csproj b/4-WebApp-your-API/4-3-AnyOrg/ToDoListClient/ToDoListClient.csproj
index 577406a6..9edbbb58 100644
--- a/4-WebApp-your-API/4-3-AnyOrg/ToDoListClient/ToDoListClient.csproj
+++ b/4-WebApp-your-API/4-3-AnyOrg/ToDoListClient/ToDoListClient.csproj
@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.4" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="7.0.1" />
   </ItemGroup>
 
diff --git a/4-WebApp-your-API/4-3-AnyOrg/TodoListService/ToDoListService.csproj b/4-WebApp-your-API/4-3-AnyOrg/TodoListService/ToDoListService.csproj
index 0816b643..6fd4ba57 100644
--- a/4-WebApp-your-API/4-3-AnyOrg/TodoListService/ToDoListService.csproj
+++ b/4-WebApp-your-API/4-3-AnyOrg/TodoListService/ToDoListService.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-ToDoListService-BA938C29-8BAB-4664-A688-8FD54049C1C3</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>1</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
@@ -14,8 +14,8 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="7.0.1" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="7.0.1" Condition="'$(Configuration)' == 'Debug'" />
   </ItemGroup>
diff --git a/5-WebApp-AuthZ/5-1-Roles/WebApp-OpenIDConnect-DotNet.csproj b/5-WebApp-AuthZ/5-1-Roles/WebApp-OpenIDConnect-DotNet.csproj
index fcea3860..6f1ba897 100644
--- a/5-WebApp-AuthZ/5-1-Roles/WebApp-OpenIDConnect-DotNet.csproj
+++ b/5-WebApp-AuthZ/5-1-Roles/WebApp-OpenIDConnect-DotNet.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFrameworks>net6.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet-81EA87AD-E64D-4755-A1CC-5EA47F49B5D8</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
@@ -17,8 +17,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.MicrosoftGraph" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.MicrosoftGraph" Version="2.15.4" />
   </ItemGroup>
 
 </Project>
diff --git a/5-WebApp-AuthZ/5-2-Groups/WebApp-OpenIDConnect-DotNet.csproj b/5-WebApp-AuthZ/5-2-Groups/WebApp-OpenIDConnect-DotNet.csproj
index 212ded48..9681c3d4 100644
--- a/5-WebApp-AuthZ/5-2-Groups/WebApp-OpenIDConnect-DotNet.csproj
+++ b/5-WebApp-AuthZ/5-2-Groups/WebApp-OpenIDConnect-DotNet.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFrameworks>net7.0; net8.0</TargetFrameworks>
     <UserSecretsId>aspnet-WebApp_OpenIDConnect_DotNet-81EA87AD-E64D-4755-A1CC-5EA47F49B5D8</UserSecretsId>
     <WebProject_DirectoryAccessLevelKey>0</WebProject_DirectoryAccessLevelKey>
   </PropertyGroup>
@@ -19,8 +19,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Session" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.2" />
-    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.2" />
+    <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="2.15.4" />
+    <PackageReference Include="Microsoft.Identity.Web.UI" Version="2.15.4" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>