diff --git a/codes/015-blog-site/requirements.txt b/codes/015-blog-site/requirements.txt
index d1e4574..2b74d9d 100644
--- a/codes/015-blog-site/requirements.txt
+++ b/codes/015-blog-site/requirements.txt
@@ -1,4 +1,4 @@
-Django==2.2.10
+Django==2.2.28
 django-autoslug==1.9.4
 django-jet==1.0.8
 pytz==2019.1