diff --git a/docs_requirements.txt b/docs_requirements.txt
index 297df360..4debd9ea 100644
--- a/docs_requirements.txt
+++ b/docs_requirements.txt
@@ -2,4 +2,5 @@ mkdocs
 mkdocs-material
 pymdown-extensions
 fontawesome-markdown
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
 zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability