diff --git a/.github/workflows/pull-request-validation.yml b/.github/workflows/pull-request-validation.yml
index 8e8339f..0ce4135 100644
--- a/.github/workflows/pull-request-validation.yml
+++ b/.github/workflows/pull-request-validation.yml
@@ -20,7 +20,9 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 9.x
+        dotnet-version: |
+          8.x
+          9.x
 
     - name: Restore dependencies
       run: dotnet restore ./src/OneBitSoftware.Utilities.OperationResult.sln
@@ -29,4 +31,4 @@ jobs:
       run: dotnet build ./src/OneBitSoftware.Utilities.OperationResult.sln --no-restore --configuration "${{ env.CONFIGURATION }}"
 
     - name: Test
-      run: dotnet test ./src/OneBitSoftware.Utilities.OperationResult.sln --no-build --verbosity normal
\ No newline at end of file
+      run: dotnet test ./src/OneBitSoftware.Utilities.OperationResult.sln --no-build --configuration "${{ env.CONFIGURATION }}" --verbosity normal
\ No newline at end of file
diff --git a/src/OneBitSoftware.Utilities.OperationResult/OneBitSoftware.Utilities.OperationResult.csproj b/src/OneBitSoftware.Utilities.OperationResult/OneBitSoftware.Utilities.OperationResult.csproj
index d3b9270..0373055 100644
--- a/src/OneBitSoftware.Utilities.OperationResult/OneBitSoftware.Utilities.OperationResult.csproj
+++ b/src/OneBitSoftware.Utilities.OperationResult/OneBitSoftware.Utilities.OperationResult.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net9.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
     <ImplicitUsings>disable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
@@ -13,8 +13,12 @@
     </None>
   </ItemGroup>
 
-  <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.2" />
+  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.0" />
   </ItemGroup>
 
   <PropertyGroup>
@@ -32,7 +36,7 @@
     <PackageRequireLicenseAcceptance>False</PackageRequireLicenseAcceptance>
     <PackageReadmeFile>README.md</PackageReadmeFile>
     <PackageTags>OneBitSoftware; OperationResult;</PackageTags>
-    <Version>2.1.0</Version>
+    <Version>2.1.1</Version>
   </PropertyGroup>
 
 </Project>
diff --git a/tests/OneBitSoftware.Utilities.OperationResultTests/OneBitSoftware.Utilities.OperationResultTests.csproj b/tests/OneBitSoftware.Utilities.OperationResultTests/OneBitSoftware.Utilities.OperationResultTests.csproj
index 8826bd1..e39d0c2 100644
--- a/tests/OneBitSoftware.Utilities.OperationResultTests/OneBitSoftware.Utilities.OperationResultTests.csproj
+++ b/tests/OneBitSoftware.Utilities.OperationResultTests/OneBitSoftware.Utilities.OperationResultTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>