diff --git a/requirements.txt b/requirements.txt
index 7d9ba4d..64a7242 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,3 @@
 hca-ingest
+
+cryptography>=3.2 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file