diff --git a/src/CacheTower.Serializers.SystemTextJson/CacheTower.Serializers.SystemTextJson.csproj b/src/CacheTower.Serializers.SystemTextJson/CacheTower.Serializers.SystemTextJson.csproj
index 4500f30c..71641979 100644
--- a/src/CacheTower.Serializers.SystemTextJson/CacheTower.Serializers.SystemTextJson.csproj
+++ b/src/CacheTower.Serializers.SystemTextJson/CacheTower.Serializers.SystemTextJson.csproj
@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFramework>netstandard2.0</TargetFramework>
+		<TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
 		<Title>System.Text.Json Serializer for Cache Tower</Title>
 		<Description>System.Text.Json cache serialization for Cache Tower</Description>
 		<PackageTags>system.text.json;json;$(PackageBaseTags)</PackageTags>
 		<Authors>James Turner</Authors>
 	</PropertyGroup>
 
-	<ItemGroup>
+	<ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
 		<PackageReference Include="System.Text.Json" Version="6.0.10" />
 	</ItemGroup>
 
@@ -16,5 +16,4 @@
 		<ProjectReference Include="..\CacheTower\CacheTower.csproj" />
 	</ItemGroup>
 
-</Project>
-
+</Project>
\ No newline at end of file
diff --git a/src/CacheTower/CacheTower.csproj b/src/CacheTower/CacheTower.csproj
index 3cf7596e..1cf2eca7 100644
--- a/src/CacheTower/CacheTower.csproj
+++ b/src/CacheTower/CacheTower.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net6.0</TargetFrameworks>
     <Title>Cache Tower</Title>
     <Description>A multi-layered caching system for .NET</Description>
     <PackageTags>inmemory,$(PackageBaseTags)</PackageTags>
@@ -13,7 +13,13 @@
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="6.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="6.0.4" />
     <PackageReference Include="Nito.AsyncEx" Version="5.1.2" />
-    <PackageReference Condition="'$(TargetFramework)' == 'netstandard2.0'" Include="Microsoft.Bcl.AsyncInterfaces" Version="6.0.0" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="6.0.0" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'netstandard2.1'">
     <PackageReference Include="System.Memory" Version="4.5.5" />
   </ItemGroup>
 
@@ -21,5 +27,5 @@
     <PackageReference Update="Microsoft.SourceLink.GitHub" Version="1.1.1" />
     <PackageReference Update="TurnerSoftware.BuildVersioning" Version="0.5.0" />
   </ItemGroup>
-  
+
 </Project>
diff --git a/src/CacheTower/Internal/CacheEntryKeyLock.cs b/src/CacheTower/Internal/CacheEntryKeyLock.cs
index 62287389..fdcb049b 100644
--- a/src/CacheTower/Internal/CacheEntryKeyLock.cs
+++ b/src/CacheTower/Internal/CacheEntryKeyLock.cs
@@ -22,7 +22,7 @@ public bool AcquireLock(string cacheKey)
 				keyLocks[cacheKey] = null;
 			}
 			return hasLock;
-#elif NETSTANDARD2_1
+#else
 			return keyLocks.TryAdd(cacheKey, null);
 #endif
 		}
@@ -56,7 +56,7 @@ private bool TryRemove(string cacheKey, out TaskCompletionSource<ICacheEntry>? c
 				return true;
 			}
 			return false;
-#elif NETSTANDARD2_1
+#else
 			return keyLocks.Remove(cacheKey, out completionSource);
 #endif
 		}
diff --git a/src/CacheTower/Internal/MD5HashUtility.cs b/src/CacheTower/Internal/MD5HashUtility.cs
index ff33d6b2..c5bc487e 100644
--- a/src/CacheTower/Internal/MD5HashUtility.cs
+++ b/src/CacheTower/Internal/MD5HashUtility.cs
@@ -17,7 +17,7 @@ public static unsafe string ComputeHash(string value)
 		var bytes = Encoding.UTF8.GetBytes(value);
 		var hashBytes = HashAlgorithm.ComputeHash(bytes);
 
-#elif NETSTANDARD2_1
+#else
 	public static unsafe string ComputeHash(ReadOnlySpan<char> value)
 	{
 		var encoding = Encoding.UTF8;