diff --git a/requirements.txt b/requirements.txt
index b58caf2..3105024 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ asn1crypto==0.24.0
 bcrypt==3.1.5
 blinker==1.4
 cffi==1.11.5
-cryptography==3.2
+cryptography==3.3.2
 #cv2==1.0
 cycler==0.9.0
 decorator==4.0.9