diff --git a/Activity01/requirements.txt b/Activity01/requirements.txt
index fea4f34..9d06405 100644
--- a/Activity01/requirements.txt
+++ b/Activity01/requirements.txt
@@ -36,6 +36,6 @@ tensorboard==2.0.1
 tensorflow==2.0.0
 tensorflow-estimator==2.0.1
 termstyle==0.1.11
-urllib3==1.22
+urllib3==1.26.5
 yfinance
 Werkzeug==0.13