diff --git a/HW5/requirements.txt b/HW5/requirements.txt
index c3795a1..fa4ec3e 100644
--- a/HW5/requirements.txt
+++ b/HW5/requirements.txt
@@ -17,7 +17,7 @@ jupyter-core==4.3.0
 MarkupSafe==1.0
 matplotlib==2.0.2
 mistune==0.7.4
-nbconvert==5.2.1
+nbconvert==6.5.1
 nbformat==4.3.0
 networkx==1.11
 notebook==5.0.0