diff --git a/extensions/lock/composer.json b/extensions/lock/composer.json
index b96e38f68..9207171b9 100644
--- a/extensions/lock/composer.json
+++ b/extensions/lock/composer.json
@@ -2,6 +2,7 @@
     "name": "flarum/lock",
     "description": "End a discussion and don't let anyone add further replies.",
     "type": "flarum-extension",
+    "keywords": ["moderation"],
     "license": "MIT",
     "authors": [
         {