diff --git a/apps/desertpy-presentations/repo/matplotlib/requirements.txt b/apps/desertpy-presentations/repo/matplotlib/requirements.txt
index d33f560..cc38206 100644
--- a/apps/desertpy-presentations/repo/matplotlib/requirements.txt
+++ b/apps/desertpy-presentations/repo/matplotlib/requirements.txt
@@ -14,7 +14,7 @@ MarkupSafe==0.23
 matplotlib==1.4.3
 mistune==0.7.1
 mock==1.3.0
-nbconvert==4.0.0
+nbconvert==6.3.0
 nbformat==4.0.0
 nose==1.3.7
 notebook==4.0.4