diff --git a/requirements.txt b/requirements.txt
index d5a2a19..fd78ccd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ certifi==2018.10.15
 cffi==1.11.5
 chardet==3.0.4
 constantly==15.1.0
-cryptography==2.4.2
+cryptography==3.2
 cssselect==1.0.3
 docutils==0.14
 hyperlink==18.0.0