diff --git a/api/api.csproj b/api/api.csproj
index 9c065420..cf841856 100644
--- a/api/api.csproj
+++ b/api/api.csproj
@@ -16,7 +16,7 @@
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="13.0.1" />
     <PackageReference Include="ColeSoft.Extensions.Logging.Splunk" Version="1.0.72" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="8.0.1" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="9.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.0" />
     <PackageReference Include="NSwag.Generation.AspNetCore" Version="14.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="9.0.0" />