diff --git a/docs/requirements.txt b/docs/requirements.txt
index 69dd667..6e9fd3a 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,4 @@
 sphinx_rtd_theme
 sphinxcontrib-napoleon
-sphinx-autodoc-typehints
\ No newline at end of file
+sphinx-autodoc-typehints
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file