diff --git a/requirements.txt b/requirements.txt
index c6339fd..22c6350 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ chardet==3.0.4
 constantly==15.1.0
 coreapi==2.3.3
 coreschema==0.0.4
-cryptography==2.2.2
+cryptography==3.2
 cssselect==1.0.3
 docutils==0.14
 gevent==1.3.7