diff --git a/requirements_dev.txt b/requirements_dev.txt
index a794df9e..a168f0be 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -11,3 +11,4 @@ sphinx-rtd-theme==0.4.3
 sphinxcontrib-napoleon==0.7
 
 autopep8==1.4.4
+setuptools>=78.1.1 # not directly required, pinned by Snyk to avoid a vulnerability