diff --git a/requirements.txt b/requirements.txt
index 9dbeafb..1c27124 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 asn1crypto==0.24.0
 cffi==1.12.3
-cryptography==3.3.2
+cryptography==39.0.1
 pycparser==2.19
 six==1.12.0