diff --git a/nixos/tests/zigbee2mqtt.nix b/nixos/tests/zigbee2mqtt.nix
index 9d6d03a4b9bb..3311bb11eb1a 100644
--- a/nixos/tests/zigbee2mqtt.nix
+++ b/nixos/tests/zigbee2mqtt.nix
@@ -23,7 +23,7 @@ import ./make-test-python.nix ({ pkgs, lib, ... }:
       machine.wait_for_unit("multi-user.target")
       machine.wait_until_fails("systemctl status zigbee2mqtt.service")
       machine.succeed(
-          "journalctl -eu zigbee2mqtt | grep 'Failed to connect to the adapter'"
+          "journalctl -eu zigbee2mqtt | grep 'Error: Inappropriate ioctl for device, cannot set'"
       )
 
       machine.log(machine.succeed("systemd-analyze security zigbee2mqtt.service"))
diff --git a/pkgs/servers/zigbee2mqtt/default.nix b/pkgs/servers/zigbee2mqtt/default.nix
index 359c04dd0b9a..9f0247416661 100644
--- a/pkgs/servers/zigbee2mqtt/default.nix
+++ b/pkgs/servers/zigbee2mqtt/default.nix
@@ -10,16 +10,16 @@
 
 buildNpmPackage rec {
   pname = "zigbee2mqtt";
-  version = "1.39.1";
+  version = "1.40.0";
 
   src = fetchFromGitHub {
     owner = "Koenkk";
     repo = "zigbee2mqtt";
     rev = version;
-    hash = "sha256-mshQdb28vSEbHeSDLrVxx3sSgpRBMeqsVljiLtwTsF0=";
+    hash = "sha256-LKRCsYQOSSLYLYi2IntJuPiLR+l4oUtyVRUoGs/NWeI=";
   };
 
-  npmDepsHash = "sha256-+/WLjypVYDE4b6gcxXInU9ukntPH5GZpd8T3rlqrINs=";
+  npmDepsHash = "sha256-ufmNe1dVqtDirn1/VydNedns5V8y0oR8fuVi6E86JFs=";
 
   buildInputs = lib.optionals withSystemd [
     systemdMinimal