diff --git a/requirements.txt b/requirements.txt
index bb0ee7c..7197095 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ certifi==2018.4.16
 cffi==1.11.5
 chardet==3.0.4
 click==6.7
-cryptography==3.2
+cryptography==39.0.1
 enum34==1.1.6
 Flask==1.0
 httplib2==0.19.0