diff --git a/Replicating_Phenomizer_Results/requirements.txt b/Replicating_Phenomizer_Results/requirements.txt
index 9de034d..7a45f90 100644
--- a/Replicating_Phenomizer_Results/requirements.txt
+++ b/Replicating_Phenomizer_Results/requirements.txt
@@ -22,7 +22,7 @@ kiwisolver==1.1.0
 MarkupSafe==1.1.0
 matplotlib==3.0.3
 matplotlib-venn==0.11.5
-mistune==0.8.4
+mistune==2.0.3
 mwoauth==0.3.2
 nbconvert==5.4.0
 nbformat==4.4.0