diff --git a/requirements.txt b/requirements.txt
index d8b6e0742f..3c478fd263 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -83,3 +83,4 @@ urllib3>=1.26,<2
 weasyprint>=64.1
 xml2rfc>=3.23.0
 xym>=0.6,<1.0
+cryptography>=46.0.5 # not directly required, pinned by Snyk to avoid a vulnerability