diff --git a/requirements.txt b/requirements.txt
index 9c93144..7ec6a2d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,5 @@ Flask
 tensorflow
 gunicorn
 pytest
-scipy
\ No newline at end of file
+scipy
+keras>=2.13.1rc0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file