diff --git a/docs/api_reference/requirements.txt b/docs/api_reference/requirements.txt
index b59b8d4372280..7e01409cfbcb4 100644
--- a/docs/api_reference/requirements.txt
+++ b/docs/api_reference/requirements.txt
@@ -10,3 +10,4 @@ sphinx-design
 sphinx-copybutton
 beautifulsoup4
 sphinxcontrib-googleanalytics
+urllib3>=2.6.3 # not directly required, pinned by Snyk to avoid a vulnerability