diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 5c02907fc..e7ccd6ced 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -12,5 +12,5 @@ If you need it, please mention it in the pull request or JIRA ticket.
 
 ### Q&A
 
-Use the [Jenkins developer mailing list](https://groups.google.com/forum/#!forum/jenkinsci-dev) or the <code>#jenkins</code> IRC channel on Freenode to sync-up with remoting developers.
-In the case of the mailing list, it's a good practice to CC maintainers directly.
\ No newline at end of file
+Use the [Jenkins developer mailing list](https://groups.google.com/g/jenkinsci-dev) to sync-up with remoting developers.
+In the case of the mailing list, it's a good practice to CC maintainers directly.