diff --git a/requirements.txt b/requirements.txt
index f5a557d..4dc8517 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
-cryptography==3.2
+cryptography==39.0.1
 dominate==2.5.1
 Flask==1.1.2
 Flask-Bootstrap==3.3.7.1