diff --git a/docs/requirements.txt b/docs/requirements.txt
index 8d240228..3cf56eac 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -4,3 +4,4 @@ pymdown-extensions>=9.9.1
 mkdocs_pymdownx_material_extras==2.3.1
 mkdocs-minify-plugin==0.6.2
 mike==1.1.2
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability