diff --git a/update-generator/requirements.txt b/update-generator/requirements.txt
index 4cc7797..87395c7 100644
--- a/update-generator/requirements.txt
+++ b/update-generator/requirements.txt
@@ -1,4 +1,5 @@
 kafka
 numpy
 spacy
-markovify
\ No newline at end of file
+markovify
+numpy>=1.21.0rc1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file