diff --git a/model-b-predict/requirements.txt b/model-b-predict/requirements.txt
index 341f2ff..fa75f8e 100644
--- a/model-b-predict/requirements.txt
+++ b/model-b-predict/requirements.txt
@@ -1,4 +1,4 @@
-flask==1.1.1
+flask==2.2.5
 numpy==1.18.1
 pandas==1.0.3
 pytz==2019.3
@@ -7,3 +7,5 @@ scipy==1.4.1
 sklearn==0.0
 xgboost==0.90
 xlrd==1.2.0
+werkzeug>=3.0.6 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability