diff --git a/TrackingNtuples/scripts/mlenv-requirements.txt b/TrackingNtuples/scripts/mlenv-requirements.txt
index fc79e9c..0643e12 100644
--- a/TrackingNtuples/scripts/mlenv-requirements.txt
+++ b/TrackingNtuples/scripts/mlenv-requirements.txt
@@ -42,7 +42,7 @@ MarkupSafe==1.1.1
 matplotlib==3.0.3
 mistune==0.8.4
 mock==2.0.0
-nbconvert==5.4.1
+nbconvert==6.3.0
 nbdime==1.0.5
 nbformat==4.4.0
 networkx==2.2
diff --git a/TrackingNtuples/scripts/venv-requirements.txt b/TrackingNtuples/scripts/venv-requirements.txt
index 2cb1324..5468626 100644
--- a/TrackingNtuples/scripts/venv-requirements.txt
+++ b/TrackingNtuples/scripts/venv-requirements.txt
@@ -44,7 +44,7 @@ matplotlib==2.2.3
 mistune==0.8.4
 mock==2.0.0
 msgpack==0.6.1
-nbconvert==5.4.0
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.7.2
 numpy==1.15.4