diff --git a/dataManipulation/PSMOT/requirements.txt b/dataManipulation/PSMOT/requirements.txt
index 79bfd66..6814204 100644
--- a/dataManipulation/PSMOT/requirements.txt
+++ b/dataManipulation/PSMOT/requirements.txt
@@ -85,7 +85,7 @@ mpmath==0.19
 msgpack-python==0.4.8
 multipledispatch==0.4.8
 murmurhash==0.26.4
-nbconvert==4.1.0
+nbconvert==6.3.0
 nbformat==4.0.1
 neo4jdb==0.0.9
 networkx==1.11