diff --git a/main.go b/main.go
index ead6207..a6de22b 100644
--- a/main.go
+++ b/main.go
@@ -10,6 +10,7 @@ import (
 	_ "embed"
 
 	logger "git.site.quack-lab.dev/dave/cylogger"
+	utils "git.site.quack-lab.dev/dave/cyutils"
 	"github.com/PuerkitoBio/goquery"
 )
 
@@ -34,26 +35,35 @@ func main() {
 		classGroups[baseName] = append(classGroups[baseName], file)
 	}
 
-	// Process each group
+	// Convert groups to work items for parallel processing
+	var workItems []WorkItem
 	for baseName, groupFiles := range classGroups {
-		if len(groupFiles) == 1 {
+		workItems = append(workItems, WorkItem{
+			BaseName:   baseName,
+			GroupFiles: groupFiles,
+		})
+	}
+
+	// Process each group in parallel
+	utils.WithWorkers(100, workItems, func(worker int, item WorkItem) {
+		if len(item.GroupFiles) == 1 {
 			// Single file, process normally
-			class, err := ParseClass(groupFiles[0])
+			class, err := ParseClass(item.GroupFiles[0])
 			if err != nil {
 				logger.Error("Error parsing file: %v", err)
-				continue
+				return
 			}
 			class.Write(*outdir, classTemplate)
 		} else {
 			// Multiple files for same class, merge them
-			mergedClass, err := MergeClasses(groupFiles)
+			mergedClass, err := MergeClasses(item.GroupFiles)
 			if err != nil {
-				logger.Error("Error merging classes for %s: %v", baseName, err)
-				continue
+				logger.Error("Error merging classes for %s: %v", item.BaseName, err)
+				return
 			}
 			mergedClass.Write(*outdir, classTemplate)
 		}
-	}
+	})
 }
 
 func MapType(t string) string {
@@ -267,3 +277,9 @@ func getOriginalClassName(file string) string {
 
 	return strings.TrimSpace(class.Text())
 }
+
+// WorkItem represents a group of files to be processed
+type WorkItem struct {
+	BaseName   string
+	GroupFiles []string
+}