diff --git a/docs/_templates/sidebarintro.html b/docs/_templates/sidebarintro.html
index c00f996..8f3f7f3 100644
--- a/docs/_templates/sidebarintro.html
+++ b/docs/_templates/sidebarintro.html
@@ -26,7 +26,7 @@
 <img src="{{ pathto('_static/ad.png', 1) }}" alt="">
 </a>
 
-<hr>
+<script async type="text/javascript" src="//cdn.carbonads.com/carbon.js?zoneid=1673&serve=C6AILKT&placement=pythonguideorg" id="_carbonads_js"></script>
 
 <h3>O'Reilly Book</h3>
 
diff --git a/docs/_templates/sidebarlogo.html b/docs/_templates/sidebarlogo.html
index c4b0ef7..277a737 100644
--- a/docs/_templates/sidebarlogo.html
+++ b/docs/_templates/sidebarlogo.html
@@ -23,7 +23,7 @@
 <img src="{{ pathto('_static/ad.png', 1) }}" alt="">
 </a>
 
-<hr>
+<script async type="text/javascript" src="//cdn.carbonads.com/carbon.js?zoneid=1673&serve=C6AILKT&placement=pythonguideorg" id="_carbonads_js"></script>
 
 <h3>O'Reilly Book</h3>