diff --git a/_data/collection-index.yml b/_data/collection-index.yml
index 1553b248..376d14fb 100644
--- a/_data/collection-index.yml
+++ b/_data/collection-index.yml
@@ -1082,3 +1082,8 @@
   contact: https://github.com/RyanLua/templates/issues
   repository: https://github.com/RyanLua/templates
   ociReference: ghcr.io/ryanlua/templates
+- name: Dev Container Features by Daniel Lindemann
+  maintainer: Daniel Lindemann
+  contact: https://github.com/daniellindemann/dev-container-features/issues
+  repository: https://github.com/daniellindemann/dev-container-features/tree/main/src/dotnet-usersecrets-persistence
+  ociReference: ghcr.io/daniellindemann/dev-container-features