diff --git a/SentinelAI-Graham/Walabot/requirements.txt b/SentinelAI-Graham/Walabot/requirements.txt
index 2c1770fd..c860a0e1 100644
--- a/SentinelAI-Graham/Walabot/requirements.txt
+++ b/SentinelAI-Graham/Walabot/requirements.txt
@@ -30,7 +30,7 @@ MarkupSafe==1.0
 matplotlib==2.2.2
 mccabe==0.6.1
 mistune==0.8.3
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 numpy==1.15.0
 numpydoc==0.8.0