diff --git a/docs/source/conf.py b/docs/source/conf.py
index a0611d25d0638315d546346f9d0dd67e8e501697..16da167d632091775fea3b407c0dc275f9e9db59 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -15,6 +15,7 @@ import sys
 sys.path.insert(0, os.path.abspath('.'))
 sys.path.insert(0, os.path.abspath("../"))
 sys.path.insert(0, os.path.abspath("../../"))
+sys.path.insert(0, os.path.abspath("../../../"))
 
 
 # -- Project information -----------------------------------------------------