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..9a8f1efd 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	
@@ -1,6 +1,6 @@
 appnope==0.1.0
 attrs==17.4.0
-bleach==1.5.0
+bleach==3.1.1
 certifi==2017.11.5
 chardet==3.0.4
 decorator==4.2.1