diff --git a/doc/requirements.txt b/doc/requirements.txt
index 8ef3b7159..99281f26c 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -10,3 +10,4 @@ git+https://github.com/rogerbarton/sphinx-csharp.git
 
 # Dependency of pythonnet, needed for autodocs
 clr_loader
+requests>=2.32.0 # not directly required, pinned by Snyk to avoid a vulnerability