diff --git a/requirements.txt b/requirements.txt
index 4a0e044..559512c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.6
 nltk==3.5
-notebook==6.0.3
+notebook==6.4.12
 numpy==1.18.4
 oauthlib==3.1.0
 opt-einsum==3.2.1