diff --git a/requirements.txt b/requirements.txt
index f1be8c4..3a6e332 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -248,9 +248,9 @@ matplotlib==3.3.2 \
     --hash=sha256:799c421bc245a0749c1515b6dea6dc02db0a8c1f42446a0f03b3b82a60a900dc \
     --hash=sha256:2f5eefc17dc2a71318d5a3496313be5c351c0731e8c4c6182c9ac3782cfc4076 \
     --hash=sha256:3d2edbf59367f03cd9daf42939ca06383a7d7803e3993eb5ff1bee8e8a3fbb6b
-mistune==0.8.4 \
-    --hash=sha256:88a1051873018da288eee8538d476dffe1262495144b33ecb586c4ab266bb8d4 \
-    --hash=sha256:59a3429db53c50b5c6bcc8a07f8848cb00d7dc8bdb431a4ab41920d201d4756e
+mistune==2.0.3 \
+    --hash=sha256:d7605b46b6156b53b7d52a465202b29a6f00f4ea4130ad5d25e9d5547d6b7e50 \
+    --hash=sha256:e3964140c0775535fba50bd616fe180920044a64bc21850253267b07bff89924
 msgpack==1.0.0 \
     --hash=sha256:cec8bf10981ed70998d98431cd814db0ecf3384e6b113366e7f36af71a0fca08 \
     --hash=sha256:aa5c057eab4f40ec47ea6f5a9825846be2ff6bf34102c560bad5cad5a677c5be \