diff --git a/requirements_test.txt b/requirements_test.txt
index 80686f769a146..fe8752b884b92 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -16,3 +16,4 @@ marko
 PyYAML
 pyevtk
 wget
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability