diff --git a/alpha/requirements.txt b/alpha/requirements.txt
index b0a5c21..792eb62 100644
--- a/alpha/requirements.txt
+++ b/alpha/requirements.txt
@@ -62,7 +62,7 @@ Markdown==3.1.1
 MarkupSafe==1.0
 matplotlib==3.0.2
 mccabe==0.6.1
-mistune==0.8.4
+mistune==2.0.3
 model-mommy==1.3.2
 nbconvert==5.4.0
 nbdiff==1.0.3
diff --git a/requirements.txt b/requirements.txt
index 255bff7..341aeef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -61,7 +61,7 @@ Markdown==3.1.1
 MarkupPy==1.14
 MarkupSafe==1.1.1
 matplotlib==3.1.2
-mistune==0.8.4
+mistune==2.0.3
 more-itertools==8.0.2
 msgpack==1.0.0
 nbconvert==5.6.1