diff --git a/ibm-recommender/requirements.txt b/ibm-recommender/requirements.txt
index 591d78f..544009d 100644
--- a/ibm-recommender/requirements.txt
+++ b/ibm-recommender/requirements.txt
@@ -43,7 +43,7 @@ matplotlib==2.2.2
 mistune==0.8.3
 more-itertools==4.2.0
 mpld3==0.3
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 nltk==3.3
 notebook==5.5.0