diff --git a/lessons/lesson.5/requirements.txt b/lessons/lesson.5/requirements.txt
index 61d9e19..b104896 100644
--- a/lessons/lesson.5/requirements.txt
+++ b/lessons/lesson.5/requirements.txt
@@ -1,2 +1,2 @@
 Flask==1.0.3
-Werkzeug==0.15.4
+Werkzeug==0.15.5