diff --git a/conf.py b/conf.py
index 774ec3d..b16c5c2 100644
--- a/conf.py
+++ b/conf.py
@@ -15,6 +15,9 @@
     'sphinx.ext.viewcode',
 ]
 
+autodoc_mock_imports = ["digitalio", "micropython"]
+
+
 intersphinx_mapping = {'python': ('https://docs.python.org/3.4', None),'CircuitPython': ('https://circuitpython.readthedocs.io/en/latest/', None)}
 
 # Add any paths that contain templates here, relative to this directory.