diff --git a/requirements.txt b/requirements.txt
index 5c0f5d1..b24998f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,5 @@ uefi_firmware
 monkeyhex
 pytest
 mockito
-conditional
\ No newline at end of file
+conditional
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file