diff --git a/Directory.Build.props b/Directory.Build.props
index 0fc286bc..4db2ce88 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,16 +1,12 @@
 <Project>
     <PropertyGroup>
-        <LangVersion>latest</LangVersion>
-        <!-- Enable nullable and treat their warnings as errors -->
-        <!--<Nullable>enable</Nullable>
-    <WarningsAsErrors>nullable;</WarningsAsErrors>-->
         <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     </PropertyGroup>
     <PropertyGroup>
-        <Authors>@benfoster</Authors>
-        <Company>o9d</Company>
-        <PackageProjectUrl>https://github.com/truelayer/truelayer-sdk-net</PackageProjectUrl>
-        <RepositoryUrl>https://github.com/truelayer/truelayer-sdk-net.git</RepositoryUrl>
+        <Authors>TrueLayer</Authors>
+        <Company>TrueLayer</Company>
+        <PackageProjectUrl>https://github.com/truelayer/truelayer-dotnet</PackageProjectUrl>
+        <RepositoryUrl>https://github.com/truelayer/truelayer-dotnet.git</RepositoryUrl>
         <RepositoryType>git</RepositoryType>
     </PropertyGroup>
     <PropertyGroup Label="MinVer">
diff --git a/src/TrueLayer/TrueLayer.csproj b/src/TrueLayer/TrueLayer.csproj
index f8a5b628..74b4c414 100644
--- a/src/TrueLayer/TrueLayer.csproj
+++ b/src/TrueLayer/TrueLayer.csproj
@@ -6,7 +6,7 @@
         <PackageId>TrueLayer.Client</PackageId>
         <Description>.NET client for the TrueLayer API</Description>
         <PackageIcon>icon.png</PackageIcon>
-        <LangVersion>latest</LangVersion>
+        <LangVersion>10.0</LangVersion>
         <Authors>TrueLayer</Authors>
         <Company>TrueLayer</Company>
         <RepositoryUrl>https://github.com/TrueLayer/truelayer-dotnet</RepositoryUrl>
diff --git a/test/TrueLayer.Tests/TrueLayer.Tests.csproj b/test/TrueLayer.Tests/TrueLayer.Tests.csproj
index e55a1be3..678d8008 100644
--- a/test/TrueLayer.Tests/TrueLayer.Tests.csproj
+++ b/test/TrueLayer.Tests/TrueLayer.Tests.csproj
@@ -2,6 +2,7 @@
     <PropertyGroup>
         <TargetFrameworks>net9.0;net8.0;net6.0;netcoreapp3.1</TargetFrameworks>
         <IsPackable>false</IsPackable>
+        <LangVersion>10.0</LangVersion>
         <Nullable>enable</Nullable>
         <WarningsAsErrors>nullable;</WarningsAsErrors>
     </PropertyGroup>
diff --git a/test/TrueLayer.Tests/TrueLayerServiceCollectionExtensionsTests.cs b/test/TrueLayer.Tests/TrueLayerServiceCollectionExtensionsTests.cs
index eba82b63..eab7a820 100644
--- a/test/TrueLayer.Tests/TrueLayerServiceCollectionExtensionsTests.cs
+++ b/test/TrueLayer.Tests/TrueLayerServiceCollectionExtensionsTests.cs
@@ -20,12 +20,13 @@ public void Should_register_truelayer_client()
 WS1/11+TH1x/lgKckAws6sAzJLPtCUZLV4IZTb6ENg==
 -----END EC PRIVATE KEY-----";
             var configuration = new ConfigurationBuilder()
-                .AddInMemoryCollection([
+                .AddInMemoryCollection(new[]
+                {
                     new KeyValuePair<string, string?>("TrueLayer:ClientId", "client_id"),
                     new KeyValuePair<string, string?>("TrueLayer:ClientSecret", "secret"),
                     new KeyValuePair<string, string?>("TrueLayer:Payments:SigningKey:KeyId", Guid.NewGuid().ToString()),
                     new KeyValuePair<string, string?>("TrueLayer:Payments:SigningKey:PrivateKey", privateKey)
-                ])
+                })
                 .Build();
             var services = new ServiceCollection()
                 .AddTrueLayer(configuration)