diff --git a/Auth/Auth_API/Auth_API.csproj b/Auth/Auth_API/Auth_API.csproj
index 861699b5..43144f62 100644
--- a/Auth/Auth_API/Auth_API.csproj
+++ b/Auth/Auth_API/Auth_API.csproj
@@ -10,7 +10,7 @@
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.12" />
     <!-- Pinned to the latest patched 2.x: Microsoft.AspNetCore.OpenApi 10.0.x still targets the
          v2 API surface, so v3 breaks its XML-comment source generator. 2.0.0 is vulnerable/deprecated. -->
-    <PackageReference Include="Microsoft.OpenApi" Version="2.12.2" />
+    <PackageReference Include="Microsoft.OpenApi" Version="3.10.2" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="10.0.12" />
     <PackageReference Include="Serilog.AspNetCore" Version="10.0.0" />
     <PackageReference Include="Serilog.Sinks.Console" Version="6.1.1" />