diff --git a/requirements.txt b/requirements.txt
index 5d133df..0a8e4e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ mkl-random==1.0.1
 more-itertools==4.3.0
 nb-conda==2.2.1
 nb-conda-kernels==2.1.1
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook>=5.7.2
 numpy==1.15.2