diff --git a/doc/requirements.txt b/doc/requirements.txt
index a109938f4..d1a48adcb 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -4,7 +4,7 @@ ipykernel==6.7.0
 jinja2==3.0.3
 sphinx==2.2.2
 m2r2==0.3.1
-mistune==0.8.4
+mistune==2.0.3
 numba==0.53.1
 networkx==2.6.3
 numpy==1.19.2