diff --git a/.github/STALE-BOT.md b/.github/STALE-BOT.md
index 5e8f5d929..383717bfc 100644
--- a/.github/STALE-BOT.md
+++ b/.github/STALE-BOT.md
@@ -3,7 +3,7 @@
 - Thanks for your contribution!
 - To remove the stale label, just leave a new comment.
 - _How to find the right people to ping?_ → [`git blame`](https://git-scm.com/docs/git-blame) to the rescue! (or GitHub's history and blame buttons.)
-- You can always ask for help on [our Discourse Forum](https://discourse.nixos.org/) or on the [#nixos IRC channel](https://webchat.freenode.net/#nixos).
+- You can always ask for help on [our Discourse Forum](https://discourse.nixos.org/) or on [Matrix - #nix:nixos.org](https://matrix.to/#/#nix:nixos.org).
 
 ## Suggestions for PRs
 
diff --git a/README.md b/README.md
index 4686010ef..80d6f128c 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,8 @@ build nix from source with nix-build or how to get a development environment.
 - [Nix manual](https://nixos.org/nix/manual)
 - [Nix jobsets on hydra.nixos.org](https://hydra.nixos.org/project/nix)
 - [NixOS Discourse](https://discourse.nixos.org/)
-- [IRC - #nixos on freenode.net](irc://irc.freenode.net/#nixos)
+- [Matrix - #nix:nixos.org](https://matrix.to/#/#nix:nixos.org)
+- [IRC - #nixos on libera.chat](irc://irc.libera.chat/#nixos)
 
 ## License
 
diff --git a/scripts/install-multi-user.sh b/scripts/install-multi-user.sh
index 9b62e708f..e1046c19c 100644
--- a/scripts/install-multi-user.sh
+++ b/scripts/install-multi-user.sh
@@ -63,7 +63,8 @@ contact_us() {
     echo "You can open an issue at https://github.com/nixos/nix/issues"
     echo ""
     echo "Or feel free to contact the team:"
-    echo " - IRC: in #nixos on irc.freenode.net"
+    echo " - Matrix: #nix:nixos.org"
+    echo " - IRC: in #nixos on irc.libera.chat"
     echo " - twitter: @nixos_org"
     echo " - forum: https://discourse.nixos.org"
 }