diff --git a/DSR Lecture notebooks/Module 06 - Reinforcement Learning - Adam/practical/q_learning/requirements.txt b/DSR Lecture notebooks/Module 06 - Reinforcement Learning - Adam/practical/q_learning/requirements.txt
index a2934a2a..2c60cf1d 100644
--- a/DSR Lecture notebooks/Module 06 - Reinforcement Learning - Adam/practical/q_learning/requirements.txt	
+++ b/DSR Lecture notebooks/Module 06 - Reinforcement Learning - Adam/practical/q_learning/requirements.txt	
@@ -22,7 +22,7 @@ jupyter-console==5.2.0
 jupyter-core==4.4.0
 Markdown==2.6.11
 MarkupSafe==1.0
-mistune==0.8.3
+mistune==2.0.3
 nbconvert==5.3.1
 nbformat==4.4.0
 notebook==5.3.1