diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index 4354fb3ad628e..19aaac694594b 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -434,7 +434,7 @@ in {
   lightdm = handleTest ./lightdm.nix {};
   lighttpd = handleTest ./lighttpd.nix {};
   limesurvey = handleTest ./limesurvey.nix {};
-  listmonk = handleTest ./listmonk.nix {};
+  listmonk = handleTestOn [ "x86_64-linux" "aarch64-linux" ] ./listmonk.nix {};
   litestream = handleTest ./litestream.nix {};
   lldap = handleTest ./lldap.nix {};
   locate = handleTest ./locate.nix {};
diff --git a/nixos/tests/listmonk.nix b/nixos/tests/listmonk.nix
index 91003653c09ed..938c36026a7f8 100644
--- a/nixos/tests/listmonk.nix
+++ b/nixos/tests/listmonk.nix
@@ -42,20 +42,27 @@ import ./make-test-python.nix ({ lib, ... }: {
     machine.wait_for_open_port(9000)
     machine.succeed("[[ -f /var/lib/listmonk/.db_settings_initialized ]]")
 
+    assert json.loads(machine.succeed(generate_listmonk_request("GET", 'health')))['data'], 'Health endpoint returned unexpected value'
+
+    # A sample subscriber is guaranteed to exist at install-time
+    # A sample transactional template is guaranteed to exist at install-time
+    subscribers = json.loads(machine.succeed(generate_listmonk_request('GET', "subscribers")))['data']['results']
+    templates = json.loads(machine.succeed(generate_listmonk_request('GET', "templates")))['data']
+    tx_template = templates[2]
+
     # Test transactional endpoint
-    # subscriber_id=1 is guaranteed to exist at install-time
-    # template_id=2 is guaranteed to exist at install-time and is a transactional template (1 is a campaign template).
-    machine.succeed(
-      generate_listmonk_request('POST', 'tx', data={'subscriber_id': 1, 'template_id': 2})
-    )
-    assert 'Welcome John Doe' in machine.succeed(
+    print(machine.succeed(
+      generate_listmonk_request('POST', 'tx', data={'subscriber_id': subscribers[0]['id'], 'template_id': tx_template['id']})
+    ))
+
+    assert 'Welcome Anon Doe' in machine.succeed(
         "curl --fail http://localhost:8025/api/v2/messages"
-    )
+    ), "Failed to find Welcome John Doe inside the messages API endpoint"
 
     # Test campaign endpoint
     # Based on https://github.com/knadh/listmonk/blob/174a48f252a146d7e69dab42724e3329dbe25ebe/cmd/campaigns.go#L549 as docs do not exist.
     campaign_data = json.loads(machine.succeed(
-      generate_listmonk_request('POST', 'campaigns/1/test', data={'template_id': 1, 'subscribers': ['john@example.com'], 'name': 'Test', 'subject': 'NixOS is great', 'lists': [1], 'messenger': 'email'})
+      generate_listmonk_request('POST', 'campaigns/1/test', data={'template_id': templates[0]['id'], 'subscribers': ['john@example.com'], 'name': 'Test', 'subject': 'NixOS is great', 'lists': [1], 'messenger': 'email'})
     ))
 
     assert campaign_data['data']  # This is a boolean asserting if the test was successful or not: https://github.com/knadh/listmonk/blob/174a48f252a146d7e69dab42724e3329dbe25ebe/cmd/campaigns.go#L626
diff --git a/pkgs/servers/mail/listmonk/default.nix b/pkgs/servers/mail/listmonk/default.nix
index 97ec1924c2a83..7e55fde4504eb 100644
--- a/pkgs/servers/mail/listmonk/default.nix
+++ b/pkgs/servers/mail/listmonk/default.nix
@@ -1,17 +1,24 @@
-{ lib, buildGoModule, fetchFromGitHub, callPackage, stuffbin, nixosTests }:
+{ lib, buildGoModule, fetchFromGitHub, callPackage, stuffbin, nixosTests, fetchpatch }:
 
 buildGoModule rec {
   pname = "listmonk";
-  version = "2.2.0";
+  version = "2.5.1";
 
   src = fetchFromGitHub {
     owner = "knadh";
     repo = "listmonk";
     rev = "v${version}";
-    sha256 = "sha256-dtIM0dkr8y+GbyCqrBlR5VRq6qMiZdmQyFvIoVY1eUg=";
+    sha256 = "sha256-gCnIblc83CmG1auvYYxqW/xBl6Oy1KHGkqSY/3yIm3I=";
   };
 
-  vendorSha256 = "sha256-qeBuDM3REUxgu3ty02d7qsULH04USE0JUvBrtVnW8vg=";
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/knadh/listmonk/pull/1479.patch";
+      hash = "sha256-SYACM8r+NgeSWn9VJV4+wkm+6s/MhNGwn5zyc2tw7FU=";
+    })
+  ];
+
+  vendorSha256 = "sha256-0sgC1+ueZTUCP+7JwI/OKLktfMHQq959GEk1mC0TQgE=";
 
   nativeBuildInputs = [
     stuffbin
diff --git a/pkgs/servers/mail/listmonk/frontend.nix b/pkgs/servers/mail/listmonk/frontend.nix
index 81e5afa8fd96c..1e5cccc36415a 100644
--- a/pkgs/servers/mail/listmonk/frontend.nix
+++ b/pkgs/servers/mail/listmonk/frontend.nix
@@ -5,13 +5,13 @@
 
 yarn2nix-moretea.mkYarnPackage rec {
   pname = "listmonk-frontend";
-  version = "2.2.0";
+  version = "2.5.1";
 
   src = fetchFromGitHub {
     owner = "knadh";
     repo = "listmonk";
     rev = "v${version}";
-    sha256 = "sha256-dtIM0dkr8y+GbyCqrBlR5VRq6qMiZdmQyFvIoVY1eUg=";
+    sha256 = "sha256-gCnIblc83CmG1auvYYxqW/xBl6Oy1KHGkqSY/3yIm3I=";
   };
 
   packageJSON = ./package.json;