diff --git a/requirements.txt b/requirements.txt
index bb929ac..1fc813d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ aniso8601==8.0.0
 attrs==19.3.0
 cffi==1.13.2
 Click==7.0
-cryptography==2.8
+cryptography==3.2
 Flask==1.1.1
 Flask-Cors==3.0.8
 Flask-Migrate==2.5.2