diff --git a/model-b-predict/requirements.txt b/model-b-predict/requirements.txt
index 341f2ff..c5b246d 100644
--- a/model-b-predict/requirements.txt
+++ b/model-b-predict/requirements.txt
@@ -7,3 +7,4 @@ scipy==1.4.1
 sklearn==0.0
 xgboost==0.90
 xlrd==1.2.0
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability