diff --git a/requirements.txt b/requirements.txt
index 31e8ea69d1..f4a17c8d0e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -93,3 +93,4 @@ xml2rfc>=3.30.0
 xym>=0.6,<0.10.0
 zxcvbn>=4.5.0
 types-zxcvbn~=4.5.0.20250223  # match zxcvbn version
+soupsieve>=2.8.4 # not directly required, pinned by Snyk to avoid a vulnerability