diff --git a/requirements.txt b/requirements.txt
index d253c70..b5f4f89 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,5 @@ requests
 google-cloud-vision
 djangorestframework
 python-twitter
-django-cors-headers
\ No newline at end of file
+django-cors-headers
+rsa>=4.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file