diff --git a/lectures/_config.yml b/lectures/_config.yml
index be2f4889..0fa6ae2a 100644
--- a/lectures/_config.yml
+++ b/lectures/_config.yml
@@ -4,7 +4,7 @@ logo: _static/datascience-logo.png
 description: This website presents a series of lectures on programming, data science, and economics.
 
 execute:
-  execute_notebooks: "off"
+  execute_notebooks: "force"
   timeout: 1000
 
 html: