diff --git a/docs/requirements.txt b/docs/requirements.txt
index 57064f48..5022e40f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-mistune<=0.8.4
+mistune<2.0.6
 m2r
 sphinxcontrib-apidoc
 docutils<=0.17.1