diff --git a/Activity01/requirements.txt b/Activity01/requirements.txt
index fea4f34..3f97463 100644
--- a/Activity01/requirements.txt
+++ b/Activity01/requirements.txt
@@ -38,4 +38,4 @@ tensorflow-estimator==2.0.1
 termstyle==0.1.11
 urllib3==1.22
 yfinance
-Werkzeug==0.13
+Werkzeug==0.15.3