diff --git a/404.html b/404.html
index 3b69a08..b8af0d4 100644
--- a/404.html
+++ b/404.html
@@ -138,20 +138,24 @@
Materials licensed under CC-BY 4.0 by the authors
Template licensed under CC-BY 4.0 by The Carpentries
- Built with sandpaper (0.13.0),
+
Built with sandpaper (0.13.2),
pegboard (0.6.1),
and varnish (0.3.0).
@@ -259,9 +263,9 @@ Page not found
"creativeWorkStatus": "active",
"url": "https://carpentries.github.io/workbench-template-md/404.html",
"identifier": "https://carpentries.github.io/workbench-template-md/404.html",
- "dateCreated": "2023-07-26",
- "dateModified": "2023-09-19",
- "datePublished": "2023-09-19"
+ "dateCreated": "2023-09-21",
+ "dateModified": "2023-09-21",
+ "datePublished": "2023-09-21"
}