diff --git a/src/converters/calibre.ts b/src/converters/calibre.ts
index 1d06695..f8ff757 100644
--- a/src/converters/calibre.ts
+++ b/src/converters/calibre.ts
@@ -35,6 +35,7 @@ export const properties = {
   to: {
     document: [
       "azw3",
+      "cbz",
       "docx",
       "epub",
       "fb2",