diff --git a/requirements-dev.txt b/requirements-dev.txt
index 28a2b71..7e1415e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,4 +2,5 @@ cython
 wheel
 twine
 python-idzip>=0.3.6
-pydantic >= 2.0.0
\ No newline at end of file
+pydantic >= 2.0.0
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file