diff --git a/src/http-function/http-function.csproj b/src/http-function/http-function.csproj
index 1e9fd0a..0f4d61d 100644
--- a/src/http-function/http-function.csproj
+++ b/src/http-function/http-function.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.OpenApi" Version="1.5.1" />
-    <PackageReference Include="Microsoft.OpenApi" Version="1.6.16" />
+    <PackageReference Include="Microsoft.OpenApi" Version="1.6.21" />
     <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="4.4.1" />
   </ItemGroup>
   <ItemGroup>