diff --git a/requirements.txt b/requirements.txt
index 1709f77..1859390 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ chardet==3.0.4
 Click==7.0
 configparser==3.7.4
 coverage==4.5.3
-cryptography==2.7
+cryptography==3.2
 Flask==1.0.3
 idna==2.8
 itsdangerous==1.1.0