diff --git a/requirements.txt b/requirements.txt
index c60befa..54afee3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,5 @@
 
 azure-functions
 psycopg2-binary
-pandas
\ No newline at end of file
+pandas
+numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file