diff --git a/Project_4/TEDCoinToss/requirements.txt b/Project_4/TEDCoinToss/requirements.txt
index a11c236..cbc9514 100644
--- a/Project_4/TEDCoinToss/requirements.txt
+++ b/Project_4/TEDCoinToss/requirements.txt
@@ -3,7 +3,7 @@ certifi==2020.4.5.1
 cffi==1.14.0
 chardet==3.0.4
 cplex==12.10.0.1
-cryptography==2.9.2
+cryptography==3.2
 Cython==0.29.17
 decorator==4.4.2
 dill==0.3.1.1