diff --git a/requirements.txt b/requirements.txt
index 514b2748f..ee5a82624 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ nbdev==1.1.0
 nbformat==4.4.0
 neural-structured-learning==1.3.1
 nltk==3.5
-notebook==6.1.5
+notebook==6.4.1
 numpy==1.17.1
 opt-einsum==3.0.1
 packaging==19.2