diff --git "a/ChessMa\342\200\240e/requirements.txt" "b/ChessMa\342\200\240e/requirements.txt"
index 5602eed..fe31990 100644
--- "a/ChessMa\342\200\240e/requirements.txt"
+++ "b/ChessMa\342\200\240e/requirements.txt"
@@ -20,7 +20,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.4
-notebook==6.0.3
+notebook==6.4.12
 pandocfilters==1.4.2
 parso==0.6.0
 pexpect==4.8.0