diff --git a/Acrolinx.Net/Acrolinx.Net.Tests/Acrolinx.Net.Tests.csproj b/Acrolinx.Net/Acrolinx.Net.Tests/Acrolinx.Net.Tests.csproj
index 834858f..9a8582b 100644
--- a/Acrolinx.Net/Acrolinx.Net.Tests/Acrolinx.Net.Tests.csproj
+++ b/Acrolinx.Net/Acrolinx.Net.Tests/Acrolinx.Net.Tests.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="9.0.9" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="9.0.10" />
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="9.0.9" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="Moq" Version="4.20.72" />