diff --git a/requirements.txt b/requirements.txt
index 81f657c..bcc2e60 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 cffi==1.14.0
 click==7.1.1
-cryptography==2.9.2
+cryptography==3.2
 Flask==1.1.1
 Flask-Login==0.5.0
 Flask-Markdown==0.3