diff --git a/lessons/lesson.9/requirements.txt b/lessons/lesson.9/requirements.txt
index 08addc1..914122c 100644
--- a/lessons/lesson.9/requirements.txt
+++ b/lessons/lesson.9/requirements.txt
@@ -1,3 +1,3 @@
 Django==2.2.2
-django-debug-toolbar==1.11
+django-debug-toolbar==1.11.1
 djangorestframework==3.9.4