diff --git a/requirements.txt b/requirements.txt
index d68a4ff..3931721 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ mkl-fft==1.0.15
 mkl-service==2.3.0
 moderngl==5.5.4
 more-itertools==8.1.0
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.3
 networkx==2.4
 notebook==6.0.2