diff --git a/DataHack2019-DataLearn/requirements.txt b/DataHack2019-DataLearn/requirements.txt
index 3715fbd..1128e01 100644
--- a/DataHack2019-DataLearn/requirements.txt
+++ b/DataHack2019-DataLearn/requirements.txt
@@ -42,7 +42,7 @@ mccabe==0.6.1
 missingno==0.4.2
 mistune==0.8.4
 more-itertools==7.2.0
-nbconvert==5.6.0
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.0.1
 numba==0.45.1