diff --git a/AppScaffolding/AppScaffolding.csproj b/AppScaffolding/AppScaffolding.csproj
index 9a3c4647..fe015946 100644
--- a/AppScaffolding/AppScaffolding.csproj
+++ b/AppScaffolding/AppScaffolding.csproj
@@ -3,7 +3,7 @@
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
-    <Version>6.6.5.1</Version>
+    <Version>6.6.6.1</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/DtoImporterService/BookImporter.cs b/DtoImporterService/BookImporter.cs
index c67a38fb..e4f619ed 100644
--- a/DtoImporterService/BookImporter.cs
+++ b/DtoImporterService/BookImporter.cs
@@ -120,7 +120,8 @@ namespace DtoImporterService
 				// 2+
 				: item.Categories[1].CategoryId;
 
-			var category = DbContext.Categories.Local.SingleOrDefault(c => c.AudibleCategoryId == lastCategory);
+			// This should properly be SingleOrDefault() not FirstOrDefault(), but FirstOrDefault is defensive
+			var category = DbContext.Categories.Local.FirstOrDefault(c => c.AudibleCategoryId == lastCategory);
 
 			Book book;
 			try