diff --git a/requirements.txt b/requirements.txt
index 57037cd..ad2840a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ certifi==2018.4.16
 cffi==1.11.5
 chardet==3.0.4
 click==6.7
-cryptography==2.2.2
+cryptography==3.2
 decorator==4.3.0
 enum34==1.1.6
 Flask==1.0.2