diff --git a/tests/Serilog.Sinks.PostmarkEmail.Tests/Serilog.Sinks.PostmarkEmail.Tests.csproj b/tests/Serilog.Sinks.PostmarkEmail.Tests/Serilog.Sinks.PostmarkEmail.Tests.csproj
index b53c523..402659b 100644
--- a/tests/Serilog.Sinks.PostmarkEmail.Tests/Serilog.Sinks.PostmarkEmail.Tests.csproj
+++ b/tests/Serilog.Sinks.PostmarkEmail.Tests/Serilog.Sinks.PostmarkEmail.Tests.csproj
@@ -24,9 +24,9 @@
 
   <ItemGroup>
     <PackageReference Include="xunit.v3" Version="4.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="10.0.11" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="10.0.12" />
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="10.0.11" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="10.0.11" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="10.0.12" />
   </ItemGroup>
 
   <ItemGroup>