diff --git a/requirements.txt b/requirements.txt
index 846b26e..20120eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ mistune==0.8.4
 MulticoreTSNE==0.1
 nbconvert==5.5.0
 nbformat==4.4.0
-notebook==6.0.0
+notebook==6.4.12
 numpy==1.16.4
 pandas==0.24.2
 pandocfilters==1.4.2