diff --git a/forms-flow-api/requirements/prod.txt b/forms-flow-api/requirements/prod.txt
index b5cb4cafc1..734d86bf49 100644
--- a/forms-flow-api/requirements/prod.txt
+++ b/forms-flow-api/requirements/prod.txt
@@ -16,3 +16,4 @@ sqlalchemy_utils
 markupsafe
 PyJWT
 git+https://github.com/AOT-Technologies/forms-flow-ai.git@develop#egg=formsflow_api_utils&subdirectory=forms-flow-api-utils
+pyasn1>=0.6.2 # not directly required, pinned by Snyk to avoid a vulnerability