diff --git a/builders/testdata/python/requirements_bin_conflict/requirements.txt b/builders/testdata/python/requirements_bin_conflict/requirements.txt
index 1beb4db..82a95c0 100644
--- a/builders/testdata/python/requirements_bin_conflict/requirements.txt
+++ b/builders/testdata/python/requirements_bin_conflict/requirements.txt
@@ -1,3 +1,4 @@
 flask==1.1.1
 gunicorn==20.0.4  # gunicorn installs an executable into bin.
 spacy==2.3.2  # spacy installs executables into bin and site-packages/bin.
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability