diff --git a/docs/requirements.txt b/docs/requirements.txt
index 57064f48..44719665 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
 mistune<=0.8.4
 m2r
 sphinxcontrib-apidoc
-docutils<=0.17.1
+docutils<0.20.0