diff --git a/algorithms_training/requirements.txt b/algorithms_training/requirements.txt
index c629d8c..1d5cafb 100644
--- a/algorithms_training/requirements.txt
+++ b/algorithms_training/requirements.txt
@@ -19,7 +19,7 @@ jupyter-core==4.4.0
 kiwisolver==1.0.1
 MarkupSafe==1.1.0
 matplotlib==3.0.2
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.4.0
 nbformat==4.4.0
 notebook==5.7.4