diff --git a/dataset/requirements.txt b/dataset/requirements.txt
index 58ab97e..499c02d 100644
--- a/dataset/requirements.txt
+++ b/dataset/requirements.txt
@@ -1,2 +1,3 @@
 pymongo
 requests
+dnspython>=2.6.0rc1 # not directly required, pinned by Snyk to avoid a vulnerability