diff --git a/requirements.txt b/requirements.txt
index ca7535f..aa2cc09 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ cffi==1.10.0
 chardet==3.0.4
 configparser==3.5.0
 constantly==15.1.0
-cryptography==2.3
+cryptography==3.2
 cssselect==1.0.1
 enum34==1.1.6
 hyperlink==17.2.1