diff --git a/infra/pyspark-jupyter/requirements.txt b/infra/pyspark-jupyter/requirements.txt
index cfabeb9..aa92929 100644
--- a/infra/pyspark-jupyter/requirements.txt
+++ b/infra/pyspark-jupyter/requirements.txt
@@ -18,7 +18,7 @@ MarkupSafe==1.1.0
 mistune==0.8.4
 nbconvert==5.4.0
 nbformat==4.4.0
-notebook==6.1.5
+notebook==6.4.1
 numpy==1.16.1
 pandas==0.24.1
 pandocfilters==1.4.2