diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
index 0d82d9fc..08304b31 100644
--- a/DEVELOPMENT.md
+++ b/DEVELOPMENT.md
@@ -238,7 +238,7 @@ Fictioneer customizes WordPress by using as many standard action and filter hook
 | `show_user_profile` | `fictioneer_custom_profile_fields`
 | `switch_theme` | `fictioneer_theme_deactivation`
 | `template_redirect` | `fictioneer_disable_date_archives`, `fictioneer_generate_epub`, `fictioneer_handle_oauth`, `fictioneer_logout`, `fictioneer_disable_attachment_pages`, `fictioneer_gate_unpublished_content`, `fictioneer_serve_sitemap`, `fictioneer_redirect_story`
-| `transition_post_status` | `fictioneer_log_story_chapter_status_changes`
+| `transition_post_status` | `fictioneer_log_story_chapter_status_changes`, `fictioneer_chapter_future_to_publish`
 | `trashed_post` | `fictioneer_refresh_post_caches`, `fictioneer_track_chapter_and_story_updates`, `fictioneer_update_modified_date_on_story_for_chapter`, `fictioneer_purge_transients`, `fictioneer_remove_chapter_from_story`
 | `untrash_post` | `fictioneer_refresh_post_caches`, `fictioneer_track_chapter_and_story_updates`, `fictioneer_update_modified_date_on_story_for_chapter`, `fictioneer_purge_transients`
 | `update_option_*` | `fictioneer_update_option_disable_extended_chapter_list_meta_queries`, `fictioneer_update_option_disable_extended_story_list_meta_queries`
diff --git a/includes/functions/_service-posts.php b/includes/functions/_service-posts.php
index 17897f7a..b14988b1 100644
--- a/includes/functions/_service-posts.php
+++ b/includes/functions/_service-posts.php
@@ -352,6 +352,31 @@ function fictioneer_chapter_to_draft( $post ) {
 add_action( 'publish_to_draft', 'fictioneer_chapter_to_draft' );
 add_action( 'private_to_draft', 'fictioneer_chapter_to_draft' );
 
+/**
+ * Perform updates when a chapter goes from future to publish
+ *
+ * @since 5.21.0
+ *
+ * @param string  $new_status  New post status.
+ * @param string  $old_status  Old post status.
+ * @param WP_Post $post        Post object.
+ */
+
+function fictioneer_chapter_future_to_publish( $new_status, $old_status, $post ) {
+  // Validate transition...
+  if ( $post->post_type !== 'fcn_chapter' || $old_status !== 'future' || $new_status !== 'publish' ) {
+    return;
+  }
+
+  // Update fictioneer_chapters_added field of story (if any)
+  $story_id = get_post_meta( $post->ID, 'fictioneer_chapter_story', true );
+
+  if ( $story_id ) {
+    update_post_meta( $story_id, 'fictioneer_chapters_added', $post->post_date );
+  }
+}
+add_action( 'transition_post_status', 'fictioneer_chapter_future_to_publish', 10, 3 );
+
 // =============================================================================
 // POST PASSWORD EXPIRATION
 // =============================================================================