diff --git a/PnP Resection - Lavenberg Marquart Optim/requirements.txt b/PnP Resection - Lavenberg Marquart Optim/requirements.txt
index e15e35f..2cb2b01 100644
--- a/PnP Resection - Lavenberg Marquart Optim/requirements.txt	
+++ b/PnP Resection - Lavenberg Marquart Optim/requirements.txt	
@@ -19,7 +19,7 @@ kiwisolver==1.1.0
 MarkupSafe==1.1.1
 matplotlib==3.1.1
 mistune==0.8.4
-nbconvert==5.6.0
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==6.0.1
 numpy==1.17.2