diff --git a/requirements.txt b/requirements.txt
index 3846b37..a771160 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,4 +11,5 @@ tabulate
 chardet
 pydantic
 pytest
-xmltodict
\ No newline at end of file
+xmltodict
+dnspython>=2.6.0rc1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file