diff --git a/doc/conf.py b/doc/conf.py
index 915420c02..03e1b2376 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -29,7 +29,7 @@
 
 # -- General configuration ---------------------------------------------------
 
-needs_sphinx = '1.8'
+needs_sphinx = '2.0'
 
 extensions = [
     'sphinx.ext.todo',