diff --git a/docs/conf.py b/docs/conf.py
index 6671c8af..583cb8d3 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -39,6 +39,7 @@
 # expected with no need to download them (some are not in pip even)
 autodoc_mock_imports = [
     'enum',
+    'future',
     'guestfs',
     'libvirt',
     'lockfile',