diff --git a/notebooks/requirements.txt b/notebooks/requirements.txt
index ca41eca..440fcbe 100644
--- a/notebooks/requirements.txt
+++ b/notebooks/requirements.txt
@@ -47,7 +47,7 @@ nb-conda-kernels==2.1.0
 nbconvert==5.3.1
 nbformat==4.4.0
 nbpresent==3.0.2
-notebook==5.6.0
+notebook==6.4.12
 numpy==1.15.0
 pandas==0.23.4
 pandocfilters==1.4.2