diff --git a/requirements.txt b/requirements.txt
index 16f715b..9835f88 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,3 +26,4 @@ urllib3>=2.2.2
 watchdog>=5
 webob
 zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
+dnspython>=2.6.1 # not directly required, pinned by Snyk to avoid a vulnerability