diff --git a/src/FileConversionApi.Api/FileConversionApi.Api.csproj b/src/FileConversionApi.Api/FileConversionApi.Api.csproj
index 1daa973..728c35c 100644
--- a/src/FileConversionApi.Api/FileConversionApi.Api.csproj
+++ b/src/FileConversionApi.Api/FileConversionApi.Api.csproj
@@ -11,7 +11,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.OpenApi" Version="2.4.3" />
+    <PackageReference Include="Microsoft.OpenApi" Version="3.5.1" />
     <PackageReference Include="OpenTelemetry.Exporter.Console" Version="1.14.0" />
     <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.14.0" />
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.14.0" />