diff --git a/data-science-2/requirements.txt b/data-science-2/requirements.txt
index d2409b6..b43105c 100644
--- a/data-science-2/requirements.txt
+++ b/data-science-2/requirements.txt
@@ -23,7 +23,7 @@ MarkupSafe==1.1.1
 matplotlib==3.1.0
 mistune==0.8.4
 more-itertools==7.0.0
-nbconvert==5.5.0
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.7.8
 numpy==1.16.4