diff --git a/requirements.txt b/requirements.txt
index 1a747fc..e41bdb5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,3 +52,4 @@ tzdata==2022.2; sys_platform == 'win32'
 urllib3==1.26.12; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5' and python_version < '4'

 whitenoise==6.2.0

 wrapt==1.14.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'

+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability