diff --git a/Patterns in Gothic Literature/requirements.txt b/Patterns in Gothic Literature/requirements.txt
index 1b15c43..5c06793 100644
--- a/Patterns in Gothic Literature/requirements.txt	
+++ b/Patterns in Gothic Literature/requirements.txt	
@@ -24,7 +24,7 @@ mistune==0.8.3
 nbconvert==5.4.0
 nbformat==4.4.0
 nltk==3.3
-notebook==5.7.0
+notebook==6.4.12
 numpy==1.15.2
 pandocfilters==1.4.2
 parso==0.3.1