diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index a785db236e..8fd7f46c28 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -6,5 +6,6 @@
     <AssemblyVersion>1.0.0</AssemblyVersion>
     <PackageTags>Json, Testing, Verify, Snapshot, Approvals</PackageTags>
     <Description>Enables verification of complex models and documents.</Description>
+    <CheckEolTargetFramework>false</CheckEolTargetFramework>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/src/Verify.Expecto/Verify.Expecto.csproj b/src/Verify.Expecto/Verify.Expecto.csproj
index 59729ca0a5..c1c6cd52f1 100644
--- a/src/Verify.Expecto/Verify.Expecto.csproj
+++ b/src/Verify.Expecto/Verify.Expecto.csproj
@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net5;net6</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;netcoreapp3.0;net5;net6</TargetFrameworks>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(OS)' == 'Windows_NT' ">
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net461;net472;net5;net6</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;netcoreapp3.0;net461;net472;net5;net6</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Expecto" Version="9.0.4" />
diff --git a/src/Verify.MSTest/Verify.MSTest.csproj b/src/Verify.MSTest/Verify.MSTest.csproj
index 9e0cc529d3..49c1ed25f1 100644
--- a/src/Verify.MSTest/Verify.MSTest.csproj
+++ b/src/Verify.MSTest/Verify.MSTest.csproj
@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net5;net6</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;netcoreapp3.0;net5;net6</TargetFrameworks>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(OS)' == 'Windows_NT' ">
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net461;net472;net5;net6</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;netcoreapp3.0;net461;net472;net5;net6</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="ProjectDefaults" Version="1.0.61" PrivateAssets="All" />
diff --git a/src/Verify.NUnit/Verify.NUnit.csproj b/src/Verify.NUnit/Verify.NUnit.csproj
index 20e395dd6b..abb5c945a6 100644
--- a/src/Verify.NUnit/Verify.NUnit.csproj
+++ b/src/Verify.NUnit/Verify.NUnit.csproj
@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net5;net6</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;netcoreapp3.0;net5;net6</TargetFrameworks>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(OS)' == 'Windows_NT' ">
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net461;net472;net5;net6</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;netcoreapp3.0;net461;net472;net5;net6</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="NUnit" Version="3.13.2" />
diff --git a/src/Verify.Tests/Naming/NamerTests.TargetFrameworkAndVersion.Core3_0.verified.txt b/src/Verify.Tests/Naming/NamerTests.TargetFrameworkAndVersion.Core3_0.verified.txt
new file mode 100644
index 0000000000..9f26b637f0
--- /dev/null
+++ b/src/Verify.Tests/Naming/NamerTests.TargetFrameworkAndVersion.Core3_0.verified.txt
@@ -0,0 +1 @@
+Foo
\ No newline at end of file
diff --git a/src/Verify.Tests/Naming/NamerTests.TargetFrameworkAndVersionFluent.Core3_0.verified.txt b/src/Verify.Tests/Naming/NamerTests.TargetFrameworkAndVersionFluent.Core3_0.verified.txt
new file mode 100644
index 0000000000..9f26b637f0
--- /dev/null
+++ b/src/Verify.Tests/Naming/NamerTests.TargetFrameworkAndVersionFluent.Core3_0.verified.txt
@@ -0,0 +1 @@
+Foo
\ No newline at end of file
diff --git a/src/Verify.Tests/Verify.Tests.csproj b/src/Verify.Tests/Verify.Tests.csproj
index 3b07e40cc7..794f0c8036 100644
--- a/src/Verify.Tests/Verify.Tests.csproj
+++ b/src/Verify.Tests/Verify.Tests.csproj
@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net6;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net6;netcoreapp3.1;netcoreapp3.0</TargetFrameworks>
     <GenerateAssemblyInfo>true</GenerateAssemblyInfo>
     <PlatformTarget>x64</PlatformTarget>
     <NoWarn>$(NoWarn);CS8002</NoWarn>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(OS)' == 'Windows_NT' ">
-    <TargetFrameworks>net461;net48;net6;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net461;net48;net6;netcoreapp3.1;netcoreapp3.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="InfoOf.Fody" Version="2.1.0" />
diff --git a/src/Verify.Xunit/Verify.Xunit.csproj b/src/Verify.Xunit/Verify.Xunit.csproj
index 78099d8b5f..cb38dd058f 100644
--- a/src/Verify.Xunit/Verify.Xunit.csproj
+++ b/src/Verify.Xunit/Verify.Xunit.csproj
@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net5;net6</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;netcoreapp3.0;net5;net6</TargetFrameworks>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(OS)' == 'Windows_NT' ">
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net461;net472;net5;net6</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;netcoreapp3.0;net461;net472;net5;net6</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="xunit.assert" Version="2.4.1" />
diff --git a/src/Verify/Verify.csproj b/src/Verify/Verify.csproj
index bbd3bd0aeb..74f45ff522 100644
--- a/src/Verify/Verify.csproj
+++ b/src/Verify/Verify.csproj
@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;net5;net6</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;netcoreapp3.0;net5;net6</TargetFrameworks>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(OS)' == 'Windows_NT' ">
-    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;net461;net472;net5;net6</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;netcoreapp3.0;net461;net472;net5;net6</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="DiffEngine" Version="8.4.4" />