diff --git a/matplot-lib/requirements.txt b/matplot-lib/requirements.txt
index a7e3227..b274b31 100644
--- a/matplot-lib/requirements.txt
+++ b/matplot-lib/requirements.txt
@@ -8,7 +8,7 @@ MarkupSafe==1.0
 matplotlib==3.0.0
 mistune==0.8.4
 munch==2.3.2
-nbconvert==5.4.0
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.4.1
 numpy==1.21.0