diff --git a/requirements.txt b/requirements.txt
index 055d42a..c27d02a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ certifi==2019.3.9
 cffi==1.11.5
 chardet==3.0.4
 Click==7.0
-cryptography==2.2.2
+cryptography==3.2
 Flask==1.0.2
 gunicorn==19.8.1
 idna==2.6