diff --git a/ch03/myproject_virtualenv/src/django-myproject/requirements/_base.txt b/ch03/myproject_virtualenv/src/django-myproject/requirements/_base.txt
index 3bee0a9..cc73ff8 100644
--- a/ch03/myproject_virtualenv/src/django-myproject/requirements/_base.txt
+++ b/ch03/myproject_virtualenv/src/django-myproject/requirements/_base.txt
@@ -28,7 +28,7 @@ segno==1.3.1
 six==1.12.0
 sqlparse==0.3.0
 tinycss2==1.0.2
-urllib3==1.25.3
+urllib3==1.26.5
 WeasyPrint==52.3
 webencodings==0.5.1
 Whoosh==2.7.4