diff --git a/requirements_py3_safvenv.txt b/requirements_py3_safvenv.txt
index 9d6c1cc..cb54e71 100644
--- a/requirements_py3_safvenv.txt
+++ b/requirements_py3_safvenv.txt
@@ -21,7 +21,7 @@ kiwisolver==1.2.0
 MarkupSafe==1.1.1
 matplotlib==3.2.1
 mistune==0.8.4
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.6
 notebook==6.0.3
 numpy==1.18.4