diff --git a/loboc/monitor/requirements.txt b/loboc/monitor/requirements.txt
index 490e6fa..f76ec12 100644
--- a/loboc/monitor/requirements.txt
+++ b/loboc/monitor/requirements.txt
@@ -20,7 +20,7 @@ jupyter-core==4.4.0
 MarkupSafe==1.0
 matplotlib==2.1.1
 mistune==0.8.3
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.7.8
 numpy==1.13.3