diff --git a/docs/options.md b/docs/options.md
index b489288415..bda41c211b 100644
--- a/docs/options.md
+++ b/docs/options.md
@@ -320,3 +320,7 @@ with info about your project (name and website) so we can add an entry for you.
 1. Protoc-gen-authz
    * Website: https://github.com/Neakxs/protoc-gen-authz
    * Extension: 1145
+
+1. Protonium
+   * Website: https://github.com/zyp/protonium
+   * Extension: 1146