diff --git a/requirements.txt b/requirements.txt
index 57927fb..de95090 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ nb-conda==2.2.1
 nb-conda-kernels==2.1.1
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.7.0
+notebook==6.4.12
 numpy==1.15.3
 pandas==0.23.4
 pandocfilters==1.4.2