diff --git a/crypto/ayyMessage/requirements.txt b/crypto/ayyMessage/requirements.txt
index 30217a5..72ad54d 100644
--- a/crypto/ayyMessage/requirements.txt
+++ b/crypto/ayyMessage/requirements.txt
@@ -3,7 +3,7 @@ capstone==4.0.1
 certifi==2019.11.28
 cffi==1.13.2
 chardet==3.0.4
-cryptography==2.8
+cryptography==3.2
 filelock==3.0.12
 idna==2.8
 importlib-metadata==1.5.0