diff --git a/requirements.txt b/requirements.txt
index bc074d4..5de9578 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,6 @@ apscheduler==3.6.1
 certifi==2019.9.11
 cffi==1.13.1
 pycparser==2.19
-cryptography==3.2
+cryptography==39.0.1
 pyjwt==1.7.1
 iso8601==0.1.12