diff --git a/docs/requirements.txt b/docs/requirements.txt
index 1e9d0abe..59fdc82a 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -2,6 +2,6 @@ Sphinx==3.1.2
 sphinx-rtd-theme==0.5.0
 m2r==0.2.1
 docutils==0.16
-mistune==0.8.4
+mistune==2.0.3
 sphinxcontrib-serializinghtml==1.1.5
 jinja2<3.1