diff --git a/requirements.txt b/requirements.txt
index 1ef8cf8..d351fc1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,3 +5,4 @@ requests
 simplejson
 homoglyphs
 whois
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability