diff --git a/requirements.txt b/requirements.txt
index 2161cff..b554cdc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ backports.ssl-match-hostname==3.5.0.1
 cffi==1.6.0
 chardet==2.2.1
 configobj==4.7.2
-cryptography==1.7.2
+cryptography==3.2
 decorator==3.4.0
 docutils==0.11
 enum34==1.0.4