diff --git a/requirements.txt b/requirements.txt
index 1f5b574..ae3e73b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -84,7 +84,7 @@ certifi==2018.4.16
 cffi==1.11.5
 chardet==3.0.4
 configparser==3.5.0
-cryptography==2.2.2
+cryptography==3.2
 docutils==0.14
 entrypoints==0.2.3
 enum34==1.1.6