diff --git a/Directory.Packages.props b/Directory.Packages.props
index 22cab4f..f6b11b9 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
     <CentralPackageTransitivePinningEnabled>false</CentralPackageTransitivePinningEnabled>
-    <ToolingPackagesVersion>1.1.1.4415</ToolingPackagesVersion>
+    <ToolingPackagesVersion>1.1.1.4437</ToolingPackagesVersion>
     <AccessToNugetFeed>true</AccessToNugetFeed>
     <RestoreSources>
       https://api.nuget.org/v3/index.json;
diff --git a/EssentialCSharp.Web/Dockerfile b/EssentialCSharp.Web/Dockerfile
index 349e804..b9eaac1 100644
--- a/EssentialCSharp.Web/Dockerfile
+++ b/EssentialCSharp.Web/Dockerfile
@@ -5,7 +5,7 @@ WORKDIR /app
 EXPOSE 8080
 EXPOSE 8081
 
-FROM mcr.microsoft.com/dotnet/sdk:8.0.403 AS build
+FROM mcr.microsoft.com/dotnet/sdk:9.0.100 AS build
 RUN sh -c "$(curl -fsSL https://aka.ms/install-artifacts-credprovider.sh)"
 WORKDIR /src
 COPY . .