diff --git a/requirements.txt b/requirements.txt
index c9aec9f..e41e836 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ matplotlib==3.1.3
 mccabe==0.6.1
 mistune==0.8.4
 mxnet-cu101==1.5.1.post0
-nbconvert==5.6.1
+nbconvert==6.3.0
 nbformat==5.0.4
 notebook==6.0.3
 numpy==1.18.1
diff --git a/requirements1.6.txt b/requirements1.6.txt
index 9baedb4..145c79c 100644
--- a/requirements1.6.txt
+++ b/requirements1.6.txt
@@ -35,7 +35,7 @@ matplotlib==3.1.3
 mccabe==0.6.1
 mistune==0.8.4
 mxnet-cu101==1.6.0
-nbconvert==5.6.1
+nbconvert==6.3.0
 nbformat==5.0.4
 notebook==6.0.3
 numpy==1.18.1