diff --git a/docs/requirements.txt b/docs/requirements.txt
index be598c3..001dc6b 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -3,3 +3,4 @@ sphinx-autobuild
 sphinx
 recommonmark
 -e git+https://github.com/GRIDAPPSD/gridappsd-python.git#egg=gridappsd
+requests>=2.32.4 # not directly required, pinned by Snyk to avoid a vulnerability