diff --git a/nixos/doc/manual/release-notes/rl-2511.section.md b/nixos/doc/manual/release-notes/rl-2511.section.md
index 1171af813ed5..2e571772e4b7 100644
--- a/nixos/doc/manual/release-notes/rl-2511.section.md
+++ b/nixos/doc/manual/release-notes/rl-2511.section.md
@@ -101,6 +101,8 @@
 
 - The Pocket ID module ([`services.pocket-id`][#opt-services.pocket-id.enable]) and package (`pocket-id`) has been updated to 1.0.0. Some environment variables have been changed or removed, see the [migration guide](https://pocket-id.org/docs/setup/migrate-to-v1/).
 
+- The `zigbee2mqtt` package was updated to version 2.x, which contains breaking changes. See the [discussion](https://github.com/Koenkk/zigbee2mqtt/discussions/24198) for further information.
+
 - []{#sec-release-25.11-incompatibilities-sourcehut-removed} The `services.sourcehut` module and corresponding `sourcehut` packages were removed due to being broken and unmaintained.
 
 - The `dovecot` systemd service was renamed from `dovecot2` to `dovecot`. The former is now just an alias. Update any overrides on the systemd unit to the new name.
diff --git a/pkgs/by-name/zi/zigbee2mqtt/package.nix b/pkgs/by-name/zi/zigbee2mqtt/package.nix
index 98fdf5d53619..d93139046212 100644
--- a/pkgs/by-name/zi/zigbee2mqtt/package.nix
+++ b/pkgs/by-name/zi/zigbee2mqtt/package.nix
@@ -1 +1 @@
-{ zigbee2mqtt_1 }: zigbee2mqtt_1
+{ zigbee2mqtt_2 }: zigbee2mqtt_2
diff --git a/pkgs/by-name/zi/zigbee2mqtt_2/package.nix b/pkgs/by-name/zi/zigbee2mqtt_2/package.nix
index 4320ede7126d..26c187af31c2 100644
--- a/pkgs/by-name/zi/zigbee2mqtt_2/package.nix
+++ b/pkgs/by-name/zi/zigbee2mqtt_2/package.nix
@@ -16,19 +16,19 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "zigbee2mqtt";
-  version = "2.5.1";
+  version = "2.6.0";
 
   src = fetchFromGitHub {
     owner = "Koenkk";
     repo = "zigbee2mqtt";
     tag = finalAttrs.version;
-    hash = "sha256-p1KAgDNA2bI/6MSLxcSfHlzFKoe5KrRTKPTNVJNGfDM=";
+    hash = "sha256-syzrH3hJinAcpdyVlwEevqzi0LZ+gBMvJOXncuafzjE=";
   };
 
   pnpmDeps = pnpm.fetchDeps {
     inherit (finalAttrs) pname version src;
     fetcherVersion = 1;
-    hash = "sha256-OPfs9WiUehKPaAqqgMOiIELoCPVBFYpNKeesfmA8Db0=";
+    hash = "sha256-EJgR1xjQJGKBdgJ2BGFiumVwZViXn7GJNa4GPkkscDg=";
   };
 
   nativeBuildInputs = [