diff --git a/docs/conf.py b/docs/conf.py
index 7a92440..b15ac7e 100755
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -14,6 +14,8 @@
 
 import sys, os
 
+import sphinx_bootstrap_theme
+
 # 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
 # documentation root, use os.path.abspath to make it absolute, like shown here.