diff --git a/requirements.txt b/requirements.txt
index c692bdf..013f01f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -86,7 +86,7 @@ cffi==1.11.5
 chardet==3.0.4
 click==6.7
 colorlog==3.1.4
-cryptography==2.3
+cryptography==39.0.1
 entrypoints==0.2.3
 Flask==1.0
 Flask-Cors==3.0.2