diff --git a/Project_4/TEDCoinToss/requirements.txt b/Project_4/TEDCoinToss/requirements.txt
index a11c236..ee82465 100644
--- a/Project_4/TEDCoinToss/requirements.txt
+++ b/Project_4/TEDCoinToss/requirements.txt
@@ -49,6 +49,6 @@ scikit-learn==0.22.2.post1
 scipy==1.4.1
 six==1.14.0
 sympy==1.5.1
-urllib3==1.25.9
+urllib3==1.26.5
 websockets==7.0
 zipp==3.1.0