diff --git a/.github/STALE-BOT.md b/.github/STALE-BOT.md
index 7b3f013710a..0c5a21cc352 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/), [our Matrix room](https://matrix.to/#/#nix:nixos.org), or on the [#nixos IRC channel](https://web.libera.chat/#nixos).
 
 ## Suggestions for PRs
 
diff --git a/doc/builders/packages/weechat.section.md b/doc/builders/packages/weechat.section.md
index 1d99b00e632..e4e956b908e 100644
--- a/doc/builders/packages/weechat.section.md
+++ b/doc/builders/packages/weechat.section.md
@@ -41,7 +41,7 @@ weechat.override {
   configure = { availablePlugins, ... }: {
     init = ''
       /set foo bar
-      /server add freenode chat.freenode.org
+      /server add libera irc.libera.chat
     '';
   };
 }
diff --git a/nixos/doc/manual/preface.xml b/nixos/doc/manual/preface.xml
index ded6bdc87de..c0d530c3d1b 100644
--- a/nixos/doc/manual/preface.xml
+++ b/nixos/doc/manual/preface.xml
@@ -18,12 +18,13 @@
  <para>
   If you encounter problems, please report them on the
   <literal
-   xlink:href="https://discourse.nixos.org">Discourse</literal> or
-  on the <link
+   xlink:href="https://discourse.nixos.org">Discourse</literal>,
+  the <link
+   xlink:href="https://matrix.to/#nix:nixos.org">Matrix room</link>,
+  or on the <link
    xlink:href="irc://irc.libera.chat/#nixos">
-  <literal>#nixos</literal> channel on Libera.Chat</link>, or
-  consider
-  <link
+  <literal>#nixos</literal> channel on Libera.Chat</link>.
+  Alternatively, consider <link
    xlink:href="#chap-contributing">
    contributing to this manual</link>. Bugs should be
   reported in
diff --git a/nixos/modules/services/networking/matterbridge.nix b/nixos/modules/services/networking/matterbridge.nix
index b8b4f37c84a..9186eee26ab 100644
--- a/nixos/modules/services/networking/matterbridge.nix
+++ b/nixos/modules/services/networking/matterbridge.nix
@@ -38,8 +38,8 @@ in
           # Use services.matterbridge.configPath instead.
 
           [irc]
-              [irc.freenode]
-              Server="irc.freenode.net:6667"
+              [irc.libera]
+              Server="irc.libera.chat:6667"
               Nick="matterbot"
 
           [mattermost]
@@ -55,7 +55,7 @@ in
           name="gateway1"
           enable=true
               [[gateway.inout]]
-              account="irc.freenode"
+              account="irc.libera"
               channel="#testing"
 
               [[gateway.inout]]
diff --git a/nixos/modules/services/networking/znc/default.nix b/nixos/modules/services/networking/znc/default.nix
index aa79ed27dce..b872b99976c 100644
--- a/nixos/modules/services/networking/znc/default.nix
+++ b/nixos/modules/services/networking/znc/default.nix
@@ -133,8 +133,8 @@ in
               Nick = "paul";
               AltNick = "paul1";
               LoadModule = [ "chansaver" "controlpanel" ];
-              Network.freenode = {
-                Server = "chat.freenode.net +6697";
+              Network.libera = {
+                Server = "irc.libera.chat +6697";
                 LoadModule = [ "simple_away" ];
                 Chan = {
                   "#nixos" = { Detached = false; };
diff --git a/nixos/modules/services/networking/znc/options.nix b/nixos/modules/services/networking/znc/options.nix
index 7a43b45fabb..be9dc78c86d 100644
--- a/nixos/modules/services/networking/znc/options.nix
+++ b/nixos/modules/services/networking/znc/options.nix
@@ -11,7 +11,7 @@ let
 
       server = mkOption {
         type = types.str;
-        example = "chat.freenode.net";
+        example = "irc.libera.chat";
         description = ''
           IRC server address.
         '';
@@ -150,8 +150,8 @@ in
           '';
           example = literalExample ''
             {
-              "freenode" = {
-                server = "chat.freenode.net";
+              "libera" = {
+                server = "irc.libera.chat";
                 port = 6697;
                 useSSL = true;
                 modules = [ "simple_away" ];