diff --git a/.changeset/tender-cherries-divide.md b/.changeset/tender-cherries-divide.md
new file mode 100644
index 0000000..f9c0f03
--- /dev/null
+++ b/.changeset/tender-cherries-divide.md
@@ -0,0 +1,7 @@
+---
+"@dandori/core": patch
+"@dandori/cli": patch
+"@dandori/ui": patch
+---
+
+Create miro board
diff --git a/packages/ui/README.md b/packages/ui/README.md
index fbf118e..af6cfac 100644
--- a/packages/ui/README.md
+++ b/packages/ui/README.md
@@ -65,7 +65,7 @@ The tasks which are generated by `generateDandoriTasks` of `@dandori/core`.
 
 ```ts
 interface GenerateDandoriMiroCardsOptions {
-  boardId: string;
+  boardId?: string;
   isAppCard?: boolean;
   apiKey?: string;
 }
@@ -79,6 +79,8 @@ You can get the board id from the miro url of the board.
 
 For example, if the url is `https://miro.com/app/board/1234567890/`, the board id is `1234567890`.
 
+If not set, the new board is created.
+
 * isAppCard
 
 **default is `false`**