diff --git a/APR2019_MeetUp/requirements.txt b/APR2019_MeetUp/requirements.txt
index 407b277..687542b 100644
--- a/APR2019_MeetUp/requirements.txt
+++ b/APR2019_MeetUp/requirements.txt
@@ -25,7 +25,7 @@ matplotlib==3.1.0
 mistune==0.8.4
 nbconvert==5.5.0
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.4.12
 numpy==1.16.3
 pandas==0.24.2
 pandas-profiling==1.4.2