diff --git a/MD/MembraneLook/requirements.txt b/MD/MembraneLook/requirements.txt
index 43e2603..1997c54 100644
--- a/MD/MembraneLook/requirements.txt
+++ b/MD/MembraneLook/requirements.txt
@@ -177,7 +177,7 @@ multipledispatch==0.6.0
 munch==2.3.2
 murmurhash==1.0.2
 navigator-updater==0.2.0
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 netCDF4==1.4.1
 networkx==2.2