diff --git a/code/src/AttendeeSite/AttendeeSite.csproj b/code/src/AttendeeSite/AttendeeSite.csproj
index f763ad0..c61b8c2 100644
--- a/code/src/AttendeeSite/AttendeeSite.csproj
+++ b/code/src/AttendeeSite/AttendeeSite.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="5.6.3" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="9.0.0" />
   </ItemGroup>
 
 </Project>