diff --git a/packages/starter-kit/src/index.ts b/packages/starter-kit/src/index.ts
index 23cd8ed6..9c8dbb96 100644
--- a/packages/starter-kit/src/index.ts
+++ b/packages/starter-kit/src/index.ts
@@ -18,21 +18,21 @@ import OrderedList, { OrderedListOptions } from '@tiptap/extension-ordered-list'
 import ListItem, { ListItemOptions } from '@tiptap/extension-list-item'
 
 export function defaultExtensions(options?: Partial<{
-  dropursor: DropcursorOptions,
-  paragraph: ParagraphOptions,
-  history: HistoryOptions,
-  bold: BoldOptions,
-  italic: ItalicOptions,
-  code: CodeOptions,
-  codeBlock: CodeBlockOptions,
-  heading: HeadingOptions,
-  hardBreak: HardBreakOptions,
-  strike: StrikeOptions,
-  blockquote: BlockquoteOptions,
-  horizontalRule: HorizontalRuleOptions,
-  bulletList: BulletListOptions,
-  orderedList: OrderedListOptions,
-  listItem: ListItemOptions,
+  dropursor: Partial<DropcursorOptions>,
+  paragraph: Partial<ParagraphOptions>,
+  history: Partial<HistoryOptions>,
+  bold: Partial<BoldOptions>,
+  italic: Partial<ItalicOptions>,
+  code: Partial<CodeOptions>,
+  codeBlock: Partial<CodeBlockOptions>,
+  heading: Partial<HeadingOptions>,
+  hardBreak: Partial<HardBreakOptions>,
+  strike: Partial<StrikeOptions>,
+  blockquote: Partial<BlockquoteOptions>,
+  horizontalRule: Partial<HorizontalRuleOptions>,
+  bulletList: Partial<BulletListOptions>,
+  orderedList: Partial<OrderedListOptions>,
+  listItem: Partial<ListItemOptions>,
 }>) {
   return [
     Document,