diff --git a/requirements.txt b/requirements.txt
index 5f23fc8..5895a4d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ matplotlib==2.1.1
 mistune==0.8.3
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.3.1
+notebook==6.4.12
 numpy==1.14.0
 pandas==0.22.0
 pandocfilters==1.4.2