diff --git a/publication.yaml b/publication.yaml
index 78ba445..d13701d 100644
--- a/publication.yaml
+++ b/publication.yaml
@@ -29,6 +29,8 @@ editions:
         images:
             grayscale:  true
             opaque:     true
+    html:
+        format:             "@mfgames-writing/html"
 
 contents:
     - element: cover