diff --git a/basic_statistic/requirements.txt b/basic_statistic/requirements.txt
index f32beac..0a181bf 100644
--- a/basic_statistic/requirements.txt
+++ b/basic_statistic/requirements.txt
@@ -21,7 +21,7 @@ mistune==0.8.4
 more-itertools==8.1.0
 nbconvert==5.6.1
 nbformat==5.0.3
-notebook==6.0.2
+notebook==6.4.10
 numpy==1.18.1
 pandas==0.25.3
 pandocfilters==1.4.2