diff --git a/days/10-12-pytest/requirements.txt b/days/10-12-pytest/requirements.txt
index 9955decc..a4af3dd8 100644
--- a/days/10-12-pytest/requirements.txt
+++ b/days/10-12-pytest/requirements.txt
@@ -1,2 +1,3 @@
 pytest
 pytest-cov
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability