diff --git a/analysis_requirements.txt b/analysis_requirements.txt
index c485912..24a0334 100644
--- a/analysis_requirements.txt
+++ b/analysis_requirements.txt
@@ -33,7 +33,7 @@ jupyter-core==4.1.0
 librosa==0.4.3
 MarkupSafe==0.23
 matplotlib==3.1.1
-mistune==0.7.2
+mistune==2.0.3
 Naked==0.1.31
 nbconvert==4.2.0
 nbformat==4.0.1