diff --git a/snappass-project/snappass/requirements.txt b/snappass-project/snappass/requirements.txt
index e8345c2..b9c8e28 100644
--- a/snappass-project/snappass/requirements.txt
+++ b/snappass-project/snappass/requirements.txt
@@ -4,5 +4,5 @@ MarkupSafe==1.0
 Werkzeug==0.15.6
 itsdangerous==0.24
 redis==2.10.6
-cryptography==2.3.1
+cryptography==39.0.1
 mock==2.0.0