diff --git a/_1_Programming/Python/MyFlask/requirements.txt b/_1_Programming/Python/MyFlask/requirements.txt
index bd25fdb..ac151a0 100644
--- a/_1_Programming/Python/MyFlask/requirements.txt
+++ b/_1_Programming/Python/MyFlask/requirements.txt
@@ -9,5 +9,5 @@ itsdangerous==1.1.0
 Jinja2==2.10.1
 MarkupSafe==1.1.1
 visitor==0.1.3
-Werkzeug==0.15.2
+Werkzeug==0.15.5
 WTForms==2.2.1