diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 93f04344..6dacceab 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,10 +1,10 @@
 # https://hub.docker.com/_/microsoft-dotnet-sdk/
-FROM mcr.microsoft.com/dotnet/sdk:7.0-bookworm-slim
+FROM mcr.microsoft.com/dotnet/sdk:8.0-bookworm-slim
 
 ARG APT_URL=""
 
 # install ASP.NET Core 6.0 Runtime
-COPY --from=mcr.microsoft.com/dotnet/aspnet:6.0-bookworm-slim /usr/share/dotnet /usr/share/dotnet
+COPY --from=mcr.microsoft.com/dotnet/aspnet:8.0-bookworm-slim /usr/share/dotnet /usr/share/dotnet
 
 RUN set -eux; \
     # preferred mirror site
diff --git a/samples/Directory.Packages.props b/samples/Directory.Packages.props
index eb88125c..ebfa0a1d 100644
--- a/samples/Directory.Packages.props
+++ b/samples/Directory.Packages.props
@@ -4,14 +4,14 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="Microsoft.AspNet.Mvc" Version="5.2.9" />
-    <PackageVersion Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="6.0.22" />
-    <PackageVersion Include="Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" Version="6.0.22" />
-    <PackageVersion Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="6.0.22" />
-    <PackageVersion Include="Microsoft.AspNetCore.Identity.UI" Version="6.0.22" />
-    <PackageVersion Include="Microsoft.AspNetCore.SpaProxy" Version="6.0.22" />
+    <PackageVersion Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="7.0.11" />
+    <PackageVersion Include="Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" Version="7.0.11" />
+    <PackageVersion Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="7.0.11" />
+    <PackageVersion Include="Microsoft.AspNetCore.Identity.UI" Version="7.0.11" />
+    <PackageVersion Include="Microsoft.AspNetCore.SpaProxy" Version="7.0.11" />
     <PackageVersion Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" Version="4.1.0" />
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="6.0.22" />
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.22" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="7.0.11" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.11" />
     <PackageVersion Include="Microsoft.Extensions.Caching.Memory" Version="7.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="7.0.11" />
     <PackageVersion Include="Microsoft.Extensions.Configuration.Binder" Version="7.0.4" />
diff --git a/src/Directory.Packages.props b/src/Directory.Packages.props
index a513f03a..831b764c 100644
--- a/src/Directory.Packages.props
+++ b/src/Directory.Packages.props
@@ -3,12 +3,12 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Microsoft.Extensions.Caching.Abstractions" Version="2.2.0"/>
-    <PackageVersion Include="Microsoft.Extensions.Options" Version="2.2.0"/>
-    <PackageVersion Include="Microsoft.Extensions.Primitives" Version="2.2.0" />
+    <PackageVersion Include="Microsoft.Extensions.Caching.Abstractions" Version="7.0.0"/>
+    <PackageVersion Include="Microsoft.Extensions.Options" Version="7.0.1"/>
+    <PackageVersion Include="Microsoft.Extensions.Primitives" Version="7.0.0" />
     <PackageVersion Include="Microsoft.Owin.Security.Cookies" Version="4.2.2" />
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="1.1.1" />
-    <PackageVersion Include="System.Text.Encodings.Web" Version="4.7.2" />
-    <PackageVersion Include="System.Text.Json" Version="4.7.2" />
+    <PackageVersion Include="System.Text.Encodings.Web" Version="7.0.0" />
+    <PackageVersion Include="System.Text.Json" Version="7.0.3" />
   </ItemGroup>
 </Project>
\ No newline at end of file