diff --git a/requirements.txt b/requirements.txt
index 0b9b2b5..96ae41b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ beautifulsoup4==4.6.0
 bs4==0.0.1
 cffi==1.10.0
 constantly==15.1.0
-cryptography==1.8.1
+cryptography==3.2
 cssselect==1.0.1
 enum34==1.1.6
 idna==2.5