add cache busting
diff --git a/community/index.md b/community/index.md
index 7f961c7..bbd666f 100644
--- a/community/index.md
+++ b/community/index.md
@@ -21,7 +21,7 @@
section below for details on our development process.
* **Meetups:** Check out [Apache Druid on meetup.com](https://www.meetup.com/topics/apache-druid/) for links to regular
meetups in cities all over the world.
-* **Slack:** Many users and committers are present on Apache Druid Slack. Use this link to join and invite others: [https://druid.apache.org/community/join-slack](/community/join-slack)
+* **Slack:** Many users and committers are present on Apache Druid Slack. Use this link to join and invite others: [https://druid.apache.org/community/join-slack](/community/join-slack?v=1)
* **Twitter:** Follow us on Twitter at [@druidio](https://twitter.com/druidio).
* **StackOverflow:** While the user mailing list is the primary resource for asking questions, if you prefer
StackOverflow, make sure to tag your question with `druid` or `apache-druid`.
