diff --git a/requirements.txt b/requirements.txt
index 8685fd00465..c84c17add53 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,3 +18,4 @@ pytest-socket==0.3.5
 queueman==0.5
 requests==2.25.0
 semantic_version==2.8.5
+idna>=3.7 # not directly required, pinned by Snyk to avoid a vulnerability