diff --git a/requirements.txt b/requirements.txt
index a626768..57cf60e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ checkbox-ng==0.28
 checkbox-support==0.26
 click==6.6
 colorama==0.3.7
-cryptography==1.5
+cryptography==3.2
 cssselect==0.9.2
 decorator==4.0.10
 docutils==0.12