diff --git a/Lecture-06/student_api/requirements.txt b/Lecture-06/student_api/requirements.txt
index 0d8d54a..60259e8 100644
--- a/Lecture-06/student_api/requirements.txt
+++ b/Lecture-06/student_api/requirements.txt
@@ -5,4 +5,4 @@ itsdangerous==0.24
 Jinja2==2.10
 MarkupSafe==1.0
 pymongo==3.6.0
-Werkzeug==0.13
+Werkzeug==0.15.3