diff --git a/src/Directory.Packages.props b/src/Directory.Packages.props
index 5a9f52b..a0128e9 100644
--- a/src/Directory.Packages.props
+++ b/src/Directory.Packages.props
@@ -66,7 +66,7 @@
     <PackageVersion Include="System.Net.Http.Json" Version="9.0.0" />
     <PackageVersion Include="System.Text.Json" Version="9.0.1" />
     <PackageVersion Include="Tiktoken" Version="2.2.0" />
-    <PackageVersion Include="tryAGI.OpenAI" Version="3.9.3-dev.36" />
+    <PackageVersion Include="tryAGI.OpenAI" Version="4.0.0" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.1" />
     <PackageVersion Include="Microsoft.Extensions.Http" Version="9.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="9.0.0" />