diff --git a/requirements.dev.txt b/requirements.dev.txt
index a0bbf53..e0dca91 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -267,9 +267,9 @@ markupsafe==1.1.1 \
 mccabe==0.6.1 \
     --hash=sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42 \
     --hash=sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f
-mistune==0.8.4 \
-    --hash=sha256:88a1051873018da288eee8538d476dffe1262495144b33ecb586c4ab266bb8d4 \
-    --hash=sha256:59a3429db53c50b5c6bcc8a07f8848cb00d7dc8bdb431a4ab41920d201d4756e
+mistune==2.0.3 \
+    --hash=sha256:d7605b46b6156b53b7d52a465202b29a6f00f4ea4130ad5d25e9d5547d6b7e50 \
+    --hash=sha256:e3964140c0775535fba50bd616fe180920044a64bc21850253267b07bff89924
 more-itertools==8.1.0 \
     --hash=sha256:c468adec578380b6281a114cb8a5db34eb1116277da92d7c46f904f0b52d3288 \
     --hash=sha256:1a2a32c72400d365000412fe08eb4a24ebee89997c18d3d147544f70f5403b39