diff --git a/tf-snmp-collector/test-requirements.txt b/tf-snmp-collector/test-requirements.txt
index ed1b10e..7f38e44 100644
--- a/tf-snmp-collector/test-requirements.txt
+++ b/tf-snmp-collector/test-requirements.txt
@@ -12,3 +12,4 @@ stevedore
 ../sandesh/common/dist/sandesh-common-0.1.dev0.tar.gz
 ../tools/sandesh/library/python/dist/sandesh-0.1.dev0.tar.gz
 contrail-config-common
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability