diff --git a/oraw4_domain-type/analytics-backend/requirements.txt b/oraw4_domain-type/analytics-backend/requirements.txt
index 16e4ace..02bbeac 100644
--- a/oraw4_domain-type/analytics-backend/requirements.txt
+++ b/oraw4_domain-type/analytics-backend/requirements.txt
@@ -34,7 +34,7 @@ jupyter-core==4.4.0
 kiwisolver==1.1.0
 MarkupSafe==1.1.1
 matplotlib==2.2.4
-mistune==0.8.4
+mistune==2.0.3
 msgpack==0.6.1
 msgpack-numpy==0.4.4.3
 murmurhash==0.28.0