diff --git a/doc/source/conf.py b/doc/source/conf.py
index cc75a025..ea4ebd0e 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -180,6 +180,7 @@ def __getattr__(cls, name):
     'rasterio.crs',
     'matplotlib',
     'matplotlib.pyplot',
+    'numpy',
     'gdal',
     'cached_property',
     'pyproj',