diff --git a/requirements/requirements_dev.txt b/requirements/requirements_dev.txt
index 4d9e7cb..8d45d2d 100644
--- a/requirements/requirements_dev.txt
+++ b/requirements/requirements_dev.txt
@@ -6,4 +6,5 @@ pytest>=4.3.0
 pytest-cov>=2.6.1
 coveralls>=1.6.0
 dbus-python
--r ../requirements.txt
\ No newline at end of file
+-r ../requirements.txt
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file