diff --git a/requirements.txt b/requirements.txt
index 13b756b..e2f424b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ attrs==19.1.0
 Automat==0.7.0
 cffi==1.12.3
 constantly==15.1.0
-cryptography==2.6.1
+cryptography==39.0.1
 cssselect==1.0.3
 enum34==1.1.6
 hyperlink==19.0.0