diff --git a/requirements.txt b/requirements.txt
index 50b392d..6371815 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ cffi==1.14.3
 chardet==3.0.4
 click==7.1.2
 coverage==5.3
-cryptography==3.2
+cryptography==42.0.2
 flanker==0.9.11
 flask==1.1.2
 flask-cors==3.0.9