diff --git a/docs/conf.py b/docs/conf.py
index b5438db..1bb2a62 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -34,6 +34,7 @@
     "wifi",
     "socketpool",
     "secrets",
+    "bitmaptools",
 ]
 
 intersphinx_mapping = {