diff --git a/docs/requirements.txt b/docs/requirements.txt
index ea4ff69e89..69ae3a913d 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx>=1.8.3
+sphinx>=2.0
 recommonmark  # fails with badges
 m2r  # fails with multi-line text
 nbsphinx