diff --git a/requirements.txt b/requirements.txt
index 4c91a4f..215ed05 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ mistune==0.8.4
 mkl-fft==1.0.14
 mkl-random==1.1.0
 mkl-service==2.3.0
-nbconvert==5.6.0
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.0.1
 numpy==1.17.2