diff --git a/requirements.txt b/requirements.txt
index 4d15d54..ce7e08b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-cryptography==2.9.2
+cryptography==42.0.2
 lxml==4.9.1
 pyasn1==0.4.5
 signxml==2.6.0