diff --git a/doc/source/conf.py b/doc/source/conf.py
index 2d868341b..778796dd7 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -408,7 +408,7 @@ def setup(app):
 pygments_style = "sphinx"
 
 # Execute notebooks before conversion
-nbsphinx_execute = "always"
+nbsphinx_execute = "auto"
 
 # Allow errors to help debug.
 nbsphinx_allow_errors = False