diff --git a/src/text2graph/requirements.txt b/src/text2graph/requirements.txt
index fd19de4bc..3ca9ab09c 100644
--- a/src/text2graph/requirements.txt
+++ b/src/text2graph/requirements.txt
@@ -57,7 +57,7 @@ murmurhash==1.0.2
 nbconvert==5.4.1
 nbformat==4.4.0
 nltk==3.4
-notebook==5.7.8
+notebook==6.4.10
 numpy==1.15.4
 numpydoc==0.8.0
 packaging==19.0