diff --git a/lectures/_config.yml b/lectures/_config.yml
index 63c2e773..896bfa2d 100644
--- a/lectures/_config.yml
+++ b/lectures/_config.yml
@@ -13,6 +13,27 @@ bibtex_bibfiles:
 sphinx:
   extra_extensions: [sphinx_multitoc_numbering]
   config:
+    nb_render_priority:
+      html:
+      - "application/vnd.jupyter.widget-view+json"
+      - "application/javascript"
+      - "text/html"
+      - "text/latex"
+      - "image/svg+xml"
+      - "image/png"
+      - "image/jpeg"
+      - "text/markdown"
+      - "text/plain"
+      jupyter:
+      - "application/vnd.jupyter.widget-view+json"
+      - "application/javascript"
+      - "text/html"
+      - "text/latex"
+      - "image/svg+xml"
+      - "image/png"
+      - "image/jpeg"
+      - "text/markdown"
+      - "text/plain"
     html_theme: quantecon_book_theme
     html_static_path: ['_static']
     mathjax_config: