diff --git a/test/requirements.txt b/test/requirements.txt
index d807d8c1acf..9945c21d80c 100644
--- a/test/requirements.txt
+++ b/test/requirements.txt
@@ -2,3 +2,4 @@ acme>=0.10.1
 cryptography>=0.7
 PyOpenSSL
 requests
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability