diff --git a/requirements.txt b/requirements.txt
index c3e9b76..2be3916 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Babel==2.8.0
 blinker==1.4
 cffi==1.14.0
 click==7.1.2
-cryptography==2.9.2
+cryptography==3.2
 dominate==2.5.1
 Flask==1.1.2
 Flask-Babel==1.0.0