diff --git a/Contacts.Tests/Contacts.Tests.csproj b/Contacts.Tests/Contacts.Tests.csproj
index bd3cc35..04235a5 100644
--- a/Contacts.Tests/Contacts.Tests.csproj
+++ b/Contacts.Tests/Contacts.Tests.csproj
@@ -12,7 +12,7 @@
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     <PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="8.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageReference Include="Moq" Version="4.20.72" />