diff --git a/requirements.txt b/requirements.txt
index 86b08e5..c158854 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ certifi==2020.6.20
 cffi==1.14.1
 chardet==3.0.4
 click==7.1.2; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
-cryptography==3.2
+cryptography==39.0.1
 flask-caching==1.9.0
 flask-compress==1.5.0
 flask-paginate==0.7.0