diff --git a/requirements.txt b/requirements.txt
index c236aad..35e2746 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==3.2
 cssselect==1.0.3
 Cython==0.29.7
 hyperlink==19.0.0