diff --git a/requirements.txt b/requirements.txt
index 3c161b2..a5f4de0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ mongoengine==0.10.7
 nbconvert==5.3.1
 nbformat==4.4.0
 nltk==3.2.4
-notebook==5.0.0
+notebook==6.4.12
 numpy==1.13.1
 pandas==0.20.3
 pandocfilters==1.4.2