diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 4014af6..cb23eef 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -30,7 +30,8 @@ dependencies = [
   "plone.app.upgrade",
   "plone.restapi",
   "plone.volto",
-  "collective.volto.formsupport",
+  "collective.volto.formsupport>=3.1.4",
+  "collective.volto.otp",
   "collective.taxonomy",
   "collective.honeypot",
   "collective.bookmarks",