diff --git a/Lesson01/activity_2/requirements.txt b/Lesson01/activity_2/requirements.txt
index c9eebbf..74c3141 100644
--- a/Lesson01/activity_2/requirements.txt
+++ b/Lesson01/activity_2/requirements.txt
@@ -39,7 +39,7 @@ Markdown==2.6.10
 MarkupSafe==1.0
 matplotlib==2.1.0
 mistune==0.8.3
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 nose==1.3.7
 notebook==5.2.2