diff --git a/BinaryObjectScanner/BinaryObjectScanner.csproj b/BinaryObjectScanner/BinaryObjectScanner.csproj
index 46b887fe..dfd267d9 100644
--- a/BinaryObjectScanner/BinaryObjectScanner.csproj
+++ b/BinaryObjectScanner/BinaryObjectScanner.csproj
@@ -2,9 +2,10 @@
 
   <PropertyGroup>
     <!-- Assembly Properties -->
-    <TargetFrameworks>net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64;osx-arm64</RuntimeIdentifiers>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <CheckEolTargetFramework>false</CheckEolTargetFramework>
     <LangVersion>latest</LangVersion>
     <Nullable>enable</Nullable>
     <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
@@ -57,8 +58,6 @@
   <!-- Support for old .NET versions -->
   <ItemGroup Condition="$(TargetFramework.StartsWith(`net40`))">
     <PackageReference Include="Microsoft.Bcl" Version="1.1.10" />
-    <PackageReference Include="Microsoft.Bcl.Async" Version="1.0.168" />
-    <PackageReference Include="Microsoft.Bcl.Build" Version="1.0.21" />
   </ItemGroup>
   <ItemGroup Condition="!$(TargetFramework.StartsWith(`net40`)) AND !$(TargetFramework.StartsWith(`net452`))">
     <PackageReference Include="SharpCompress" Version="0.34.1" />
diff --git a/Test/Test.csproj b/Test/Test.csproj
index 9f7a17bf..e7b899f3 100644
--- a/Test/Test.csproj
+++ b/Test/Test.csproj
@@ -1,9 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64;osx-arm64</RuntimeIdentifiers>
     <OutputType>Exe</OutputType>
+    <CheckEolTargetFramework>false</CheckEolTargetFramework>
     <LangVersion>latest</LangVersion>
     <Nullable>enable</Nullable>
     <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
@@ -14,13 +15,6 @@
     <ProjectReference Include="..\BinaryObjectScanner\BinaryObjectScanner.csproj" />
   </ItemGroup>
 
-  <!-- Support for old .NET versions -->
-  <ItemGroup Condition="$(TargetFramework.StartsWith(`net40`))">
-    <PackageReference Include="Microsoft.Bcl" Version="1.1.10" />
-    <PackageReference Include="Microsoft.Bcl.Async" Version="1.0.168" />
-    <PackageReference Include="Microsoft.Bcl.Build" Version="1.0.21" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="OpenMcdf" Version="2.3.0" />
     <PackageReference Include="SabreTools.Compression" Version="0.2.0" />