diff --git a/requirements.txt b/requirements.txt
index e784be8c..d77fbb88 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 pyOpenSSL
 secrets
 bcrypt
-flask 
\ No newline at end of file
+flask 
+cryptography>=42.0.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file