diff --git a/requirements.txt b/requirements.txt
index 2033695..832e7eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ chardet==3.0.4
 click==6.7
 clickclick==1.2.2
 connexion==1.1.9
-cryptography==2.3.1
+cryptography==3.2
 Flask==1.0.2
 Flask-API==1.0
 Flask-Migrate==2.2.1