diff --git a/docs/conf.py b/docs/conf.py
index b276e2e..ec1164d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -15,6 +15,7 @@
 import sys
 import os
 import shlex
+sys.path.append('..')
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the