diff --git a/requirements.txt b/requirements.txt
index dbb00cd..5cebe86 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ murmurhash==0.28.0
 nbconvert==5.3.1
 nbformat==4.4.0
 nltk==3.2.5
-notebook==5.4.1
+notebook==6.4.12
 numpy==1.14.2
 overrides==1.9
 pandocfilters==1.4.2