diff --git a/Mindscape.Raygun4Net.AspNetCore/Mindscape.Raygun4Net.AspNetCore.csproj b/Mindscape.Raygun4Net.AspNetCore/Mindscape.Raygun4Net.AspNetCore.csproj
index fd22d8ea..72a2a2b0 100644
--- a/Mindscape.Raygun4Net.AspNetCore/Mindscape.Raygun4Net.AspNetCore.csproj
+++ b/Mindscape.Raygun4Net.AspNetCore/Mindscape.Raygun4Net.AspNetCore.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net6.0;net7.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -27,7 +27,7 @@
     <None Include="..\128x128-transparent.png" Pack="true" PackagePath="\" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0' OR '$(TargetFramework)' == 'netstandard2.1'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.2" />
     <PackageReference Include="Microsoft.AspNetCore.Http.Extensions" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="2.2.0" />
diff --git a/Mindscape.Raygun4Net.NetCore.Common/Mindscape.Raygun4Net.NetCore.Common.csproj b/Mindscape.Raygun4Net.NetCore.Common/Mindscape.Raygun4Net.NetCore.Common.csproj
index b0a82905..25f14948 100644
--- a/Mindscape.Raygun4Net.NetCore.Common/Mindscape.Raygun4Net.NetCore.Common.csproj
+++ b/Mindscape.Raygun4Net.NetCore.Common/Mindscape.Raygun4Net.NetCore.Common.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <RootNamespace>Mindscape.Raygun4Net</RootNamespace>
   </PropertyGroup>
 
@@ -33,7 +33,6 @@
     <internalsVisibleTo Include="Mindscape.Raygun4Net.Maui, PublicKey=$(RaygunPublicKey)"/>
   </ItemGroup>
 
-
   <ItemGroup>
     <None Include="README.md" Pack="true" PackagePath="\"/>
     <None Include="..\LICENSE" Pack="true" PackagePath=""/>
@@ -43,7 +42,4 @@
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="System.Reflection.Metadata" Version="6.0.1"/>
   </ItemGroup>
-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
-    <PackageReference Include="System.Reflection.Metadata" Version="6.0.1"/>
-  </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Mindscape.Raygun4Net.NetCore/Mindscape.Raygun4Net.NetCore.csproj b/Mindscape.Raygun4Net.NetCore/Mindscape.Raygun4Net.NetCore.csproj
index d5d20f53..9569833e 100644
--- a/Mindscape.Raygun4Net.NetCore/Mindscape.Raygun4Net.NetCore.csproj
+++ b/Mindscape.Raygun4Net.NetCore/Mindscape.Raygun4Net.NetCore.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net6.0;net7.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup>