diff --git a/clients/line-bot-messaging-api-client/src/main/java/com/linecorp/bot/messaging/client/MessagingApiBlobClient.java b/clients/line-bot-messaging-api-client/src/main/java/com/linecorp/bot/messaging/client/MessagingApiBlobClient.java
index 3a0a328a8..eec0f6b22 100644
--- a/clients/line-bot-messaging-api-client/src/main/java/com/linecorp/bot/messaging/client/MessagingApiBlobClient.java
+++ b/clients/line-bot-messaging-api-client/src/main/java/com/linecorp/bot/messaging/client/MessagingApiBlobClient.java
@@ -85,7 +85,7 @@ CompletableFuture<Result<BlobContent>> getMessageContentPreview(
    * Upload rich menu image
    *
    * @param richMenuId The ID of the rich menu to attach the image to (required)
-   * @param body (optional)
+   * @param body (required)
    * @see <a href="https://developers.line.biz/en/reference/messaging-api/#upload-rich-menu-image">
    *     Documentation</a>
    */
diff --git a/line-openapi b/line-openapi
index 982bad2af..779d8ca9e 160000
--- a/line-openapi
+++ b/line-openapi
@@ -1 +1 @@
-Subproject commit 982bad2af44827ee5586b28b6a3d7d573217632a
+Subproject commit 779d8ca9e632452ceb4e387b59b7f993497f051c