diff --git a/extraPackages/pyzmq-17.1.2/docs/requirements.txt b/extraPackages/pyzmq-17.1.2/docs/requirements.txt
index ad590462..86bd9ec5 100644
--- a/extraPackages/pyzmq-17.1.2/docs/requirements.txt
+++ b/extraPackages/pyzmq-17.1.2/docs/requirements.txt
@@ -2,3 +2,4 @@ cython>=0.25
 sphinx>=1.7
 gevent
 pygments>=2.7.4 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability