diff --git a/lesson04/devops10/requirements.txt b/lesson04/devops10/requirements.txt
old mode 100755
new mode 100644
index 848e799..b97aacd
--- a/lesson04/devops10/requirements.txt
+++ b/lesson04/devops10/requirements.txt
@@ -6,7 +6,7 @@ certifi==2020.6.20
 chardet==3.0.4
 coreapi==2.3.3
 coreschema==0.0.4
-Django==2.2
+Django==2.2.13
 django-jsonfield==1.4.0
 djangorestframework==3.11.0
 djangorestframework-jwt==1.11.0