diff --git a/06-Neural networks/deep-learning-master/sentiment-network/requirements.txt b/06-Neural networks/deep-learning-master/sentiment-network/requirements.txt
index ce83403a..970845d3 100644
--- a/06-Neural networks/deep-learning-master/sentiment-network/requirements.txt	
+++ b/06-Neural networks/deep-learning-master/sentiment-network/requirements.txt	
@@ -19,7 +19,7 @@ MarkupSafe==1.0
 mistune==0.7.4
 nbconvert==5.1.1
 nbformat==4.3.0
-notebook==4.4.1
+notebook==6.4.1
 numpy==1.12.1
 packaging==16.8
 pandocfilters==1.4.1