diff --git a/Chapter15/Exercise15.03/requirements.txt b/Chapter15/Exercise15.03/requirements.txt
index 6011261..0aaa2a1 100644
--- a/Chapter15/Exercise15.03/requirements.txt
+++ b/Chapter15/Exercise15.03/requirements.txt
@@ -2,7 +2,7 @@ asgiref==3.2.10
 dj-database-url==0.5.0
 Django==3.1
 django-configurations==2.2
-django-debug-toolbar==2.2
+django-debug-toolbar==2.2.1
 djangorestframework==3.11.0
 Pillow==8.0.1
 plotly==4.14.1