diff --git a/requirements_dev.txt b/requirements_dev.txt
index 059be048..1f233b30 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,3 +4,4 @@ mypy==1.10.1
 pytest==8.2.2
 pytest-cov==5.0.0
 pytest-mypy==0.10.3
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability