diff --git a/requirements.txt b/requirements.txt
index 648ea3b..eb7a292 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ more-itertools==7.2.0
 nbconvert==5.6.1
 nbformat==4.4.0
 nltk==3.4.5
-notebook==6.0.2
+notebook==6.4.12
 numpy==1.17.3
 pandas==0.25.3
 pandocfilters==1.4.2