diff --git a/src/Hyperion/Hyperion.csproj b/src/Hyperion/Hyperion.csproj
index 02a4150..2898913 100644
--- a/src/Hyperion/Hyperion.csproj
+++ b/src/Hyperion/Hyperion.csproj
@@ -4,7 +4,7 @@
   <PropertyGroup>
     <AssemblyTitle>Hyperion</AssemblyTitle>
     <Description>Hyperion, fast binary POCO serializer</Description>
-    <TargetFrameworks>netstandard1.6;netstandard2.0;net461</TargetFrameworks>
+    <TargetFrameworks>netstandard1.6;netstandard2.0;net461;net6.0</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <PackageTags>serialization;poco</PackageTags>
   </PropertyGroup>
@@ -19,11 +19,13 @@
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' Or '$(TargetFramework)' == 'netstandard1.6' ">
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
+    <PackageReference Include="System.Collections.Immutable" Version="5.0.0" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
+    <PackageReference Include="System.Collections.Immutable" Version="5.0.0" />
   </ItemGroup>
 
   <ItemGroup>
@@ -33,7 +35,6 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Collections.Immutable" Version="5.0.0" />
     <PackageReference Include="System.Runtime.Serialization.Primitives" Version="4.3.0" />
   </ItemGroup>