diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index f668a303e..d724656cf 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -27,11 +27,6 @@ jobs:
           - language: javascript-typescript
             build-mode: none
     steps:
-      - name: Setup .NET
-        uses: actions/setup-dotnet@v4
-        with:
-          dotnet-version: "9.0.x"
-
       # CodeQL C# autobuild doesn't (yet?) recognize .NET Aspire
       - if: matrix.language == 'csharp'
         run: |
diff --git a/.github/workflows/directory-migrate.yml b/.github/workflows/directory-migrate.yml
index c88f207ae..2d14d41ad 100644
--- a/.github/workflows/directory-migrate.yml
+++ b/.github/workflows/directory-migrate.yml
@@ -62,14 +62,12 @@ jobs:
             git revert --no-edit $PREVIOUS_MIGRATION_HASH
           fi
 
-      - name: Setup .NET
-        uses: actions/setup-dotnet@v4
-        with:
-          dotnet-version: "9.0.x"
-
-          # Disabled GH Actions cache for Dependabot. https://github.com/dependabot/dependabot-core/issues/1303
-          # cache-dependency-path: services/Directory/FilterLists.Directory.Api/packages.lock.json
-          # cache: true
+      # Disabled GH Actions cache for Dependabot. https://github.com/dependabot/dependabot-core/issues/1303
+      # - name: Setup .NET
+      #   uses: actions/setup-dotnet@v4
+      #   with:
+      #     cache-dependency-path: services/Directory/FilterLists.Directory.Api/packages.lock.json
+      #     cache: true
 
       - name: Install dotnet-ef
         run: dotnet tool install --global dotnet-ef
diff --git a/.github/workflows/directory.yml b/.github/workflows/directory.yml
index 6e6cb12c1..e55527867 100644
--- a/.github/workflows/directory.yml
+++ b/.github/workflows/directory.yml
@@ -37,14 +37,12 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup .NET
-        uses: actions/setup-dotnet@v4
-        with:
-          dotnet-version: "9.0.x"
-
-          # Disabled GH Actions cache for Dependabot. https://github.com/dependabot/dependabot-core/issues/1303
-          # cache-dependency-path: services/Directory/FilterLists.Directory.Api/packages.lock.json
-          # cache: true
+      # Disabled GH Actions cache for Dependabot. https://github.com/dependabot/dependabot-core/issues/1303
+      # - name: Setup .NET
+      #   uses: actions/setup-dotnet@v4
+      #   with:
+      #     cache-dependency-path: services/Directory/FilterLists.Directory.Api/packages.lock.json
+      #     cache: true
 
       # - name: Restore
       #   run: dotnet restore --locked-mode
diff --git a/services/Directory/FilterLists.Directory.Api/FilterLists.Directory.Api.csproj b/services/Directory/FilterLists.Directory.Api/FilterLists.Directory.Api.csproj
index c376bd7e3..c25373a79 100644
--- a/services/Directory/FilterLists.Directory.Api/FilterLists.Directory.Api.csproj
+++ b/services/Directory/FilterLists.Directory.Api/FilterLists.Directory.Api.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <AnalysisMode>Recommended</AnalysisMode>
@@ -23,8 +23,8 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.2" />
-        <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.2">
+        <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.13"/>
+        <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.10">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
diff --git a/services/Directory/FilterLists.Directory.Application/FilterLists.Directory.Application.csproj b/services/Directory/FilterLists.Directory.Application/FilterLists.Directory.Application.csproj
index db9dcfbf4..d2d328352 100644
--- a/services/Directory/FilterLists.Directory.Application/FilterLists.Directory.Application.csproj
+++ b/services/Directory/FilterLists.Directory.Application/FilterLists.Directory.Application.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <AnalysisMode>Recommended</AnalysisMode>
diff --git a/services/Directory/FilterLists.Directory.Infrastructure.Migrations/FilterLists.Directory.Infrastructure.Migrations.csproj b/services/Directory/FilterLists.Directory.Infrastructure.Migrations/FilterLists.Directory.Infrastructure.Migrations.csproj
index cb59ca429..9239b682c 100644
--- a/services/Directory/FilterLists.Directory.Infrastructure.Migrations/FilterLists.Directory.Infrastructure.Migrations.csproj
+++ b/services/Directory/FilterLists.Directory.Infrastructure.Migrations/FilterLists.Directory.Infrastructure.Migrations.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
     </PropertyGroup>
diff --git a/services/Directory/FilterLists.Directory.Infrastructure/FilterLists.Directory.Infrastructure.csproj b/services/Directory/FilterLists.Directory.Infrastructure/FilterLists.Directory.Infrastructure.csproj
index 2d769516b..89e38bd00 100644
--- a/services/Directory/FilterLists.Directory.Infrastructure/FilterLists.Directory.Infrastructure.csproj
+++ b/services/Directory/FilterLists.Directory.Infrastructure/FilterLists.Directory.Infrastructure.csproj
@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <AnalysisMode>Recommended</AnalysisMode>
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Aspire.Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.0" />
+        <PackageReference Include="Aspire.Microsoft.EntityFrameworkCore.SqlServer" Version="8.2.2"/>
         <PackageReference Include="JetBrains.Annotations" Version="2024.3.0"/>
     </ItemGroup>
 
diff --git a/services/FilterLists.AppHost/FilterLists.AppHost.csproj b/services/FilterLists.AppHost/FilterLists.AppHost.csproj
index 4bd93ff0e..507e6d90d 100644
--- a/services/FilterLists.AppHost/FilterLists.AppHost.csproj
+++ b/services/FilterLists.AppHost/FilterLists.AppHost.csproj
@@ -1,10 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-    <Sdk Name="Aspire.AppHost.Sdk" Version="9.0.0" />
-
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <IsAspireHost>true</IsAspireHost>
@@ -17,8 +15,8 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Aspire.Hosting.AppHost" Version="9.0.0" />
-        <PackageReference Include="Aspire.Hosting.SqlServer" Version="9.0.0" />
+        <PackageReference Include="Aspire.Hosting.AppHost" Version="8.2.2"/>
+        <PackageReference Include="Aspire.Hosting.SqlServer" Version="8.2.2"/>
     </ItemGroup>
 
-</Project>
\ No newline at end of file
+</Project>
diff --git a/services/FilterLists.ServiceDefaults/FilterLists.ServiceDefaults.csproj b/services/FilterLists.ServiceDefaults/FilterLists.ServiceDefaults.csproj
index 9b7e409bc..1efda18e3 100644
--- a/services/FilterLists.ServiceDefaults/FilterLists.ServiceDefaults.csproj
+++ b/services/FilterLists.ServiceDefaults/FilterLists.ServiceDefaults.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net9.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <IsAspireSharedProject>true</IsAspireSharedProject>
@@ -12,8 +12,8 @@
         <FrameworkReference Include="Microsoft.AspNetCore.App"/>
 
         <PackageReference Include="Azure.Monitor.OpenTelemetry.AspNetCore" Version="1.2.0"/>
-        <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="9.2.0" />
-        <PackageReference Include="Microsoft.Extensions.ServiceDiscovery" Version="9.0.0" />
+        <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="8.10.0"/>
+        <PackageReference Include="Microsoft.Extensions.ServiceDiscovery" Version="8.2.2"/>
         <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.11.1"/>
         <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.11.1"/>
         <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.11.0"/>