diff --git a/requirements.txt b/requirements.txt
index 7ecfb30..b807a63 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 more-itertools==8.0.2
 nb-conda-kernels==2.2.2
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.0.2
 pandocfilters==1.4.2