diff --git a/lectures/myst.yml b/lectures/myst.yml
index 8ed2593..ed6f570 100644
--- a/lectures/myst.yml
+++ b/lectures/myst.yml
@@ -119,4 +119,4 @@ 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/v2.1.0/quantecon-theme.zip
+  template: https://github.com/QuantEcon/quantecon-theme.mystmd/releases/download/v2.3.0/quantecon-theme.zip