diff --git a/requirements.txt b/requirements.txt
index 0be86ae..040f7ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,3 +15,4 @@ scipy
 six
 webcolors
 imreg_dft
+setuptools>=70.0.0 # not directly required, pinned by Snyk to avoid a vulnerability