diff --git a/docs/conf.py b/docs/conf.py
index 4522141..4f496e3 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -2,6 +2,9 @@
 #
 # For the full list of built-in configuration values, see the documentation:
 # https://www.sphinx-doc.org/en/master/usage/configuration.html
+import os
+import sys
+sys.path.insert(0, os.path.abspath("../src"))
 
 # -- Project information -----------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information