diff --git a/Chapter15/Exercise15.03/requirements.txt b/Chapter15/Exercise15.03/requirements.txt
index 6011261..d105af2 100644
--- a/Chapter15/Exercise15.03/requirements.txt
+++ b/Chapter15/Exercise15.03/requirements.txt
@@ -1,6 +1,6 @@
 asgiref==3.2.10
 dj-database-url==0.5.0
-Django==3.1
+Django==3.1.12
 django-configurations==2.2
 django-debug-toolbar==2.2
 djangorestframework==3.11.0