diff --git a/lectures/myst.yml b/lectures/myst.yml
index ea10041..5155982 100644
--- a/lectures/myst.yml
+++ b/lectures/myst.yml
@@ -119,7 +119,7 @@ project:
 site:
   # Pinned theme release (see https://github.com/QuantEcon/quantecon-theme.mystmd/releases);
   # bump the vX.Y.Z in this URL to take a new theme version.
-  template: https://github.com/QuantEcon/quantecon-theme.mystmd/releases/download/v3.0.0/quantecon-theme.zip
+  template: https://github.com/QuantEcon/quantecon-theme.mystmd/releases/download/v3.1.0/quantecon-theme.zip
   options:
     # The site's public URL. The theme emits the canonical link, og:url and an
     # absolute og:image only when this is set, and this site is served under a