diff --git a/flake.lock b/flake.lock
index f59a84a..fda1977 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1732521221,
-        "narHash": "sha256-2ThgXBUXAE1oFsVATK1ZX9IjPcS4nKFOAjhPNKuiMn0=",
+        "lastModified": 1733212471,
+        "narHash": "sha256-M1+uCoV5igihRfcUKrr1riygbe73/dzNnzPsmaLCmpo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4633a7c72337ea8fd23a4f2ba3972865e3ec685d",
+        "rev": "55d15ad12a74eb7d4646254e13638ad0c4128776",
         "type": "github"
       },
       "original": {
@@ -34,10 +34,69 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1728492678,
+        "narHash": "sha256-9UTxR8eukdg+XZeHgxW5hQA9fIKHsKCdOIUycTryeVw=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "5633bcff0c6162b9e4b5f1264264611e950c8ec7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "pyproject-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "scim2-cli",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1731223003,
+        "narHash": "sha256-hFf8/IeZKPUubMC452Mm+JiAEnvcw/a4Cvn2bcpeJqs=",
+        "owner": "nix-community",
+        "repo": "pyproject.nix",
+        "rev": "359dd9cd562730bbd31ab164832aae4dacd9c302",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "pyproject.nix",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "scim2-cli": "scim2-cli"
+      }
+    },
+    "scim2-cli": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2",
+        "pyproject-nix": "pyproject-nix",
+        "systems": "systems_2",
+        "uv2nix": "uv2nix"
+      },
+      "locked": {
+        "lastModified": 1733309709,
+        "narHash": "sha256-Qp5kgHsyWehyBhsrVzfhlCxqDFV155XVK3xZPtnQD/g=",
+        "owner": "hrenard",
+        "repo": "scim2-cli",
+        "rev": "c67b7bca854b7c8659d111fb4064e9f455931f68",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hrenard",
+        "repo": "scim2-cli",
+        "type": "github"
       }
     },
     "systems": {
@@ -54,6 +113,45 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "id": "systems",
+        "type": "indirect"
+      }
+    },
+    "uv2nix": {
+      "inputs": {
+        "nixpkgs": [
+          "scim2-cli",
+          "nixpkgs"
+        ],
+        "pyproject-nix": [
+          "scim2-cli",
+          "pyproject-nix"
+        ]
+      },
+      "locked": {
+        "lastModified": 1731223088,
+        "narHash": "sha256-qkij76/APgVXsgagQ0z0lTy3qeorfTuY5S91tzROSe0=",
+        "owner": "adisbladis",
+        "repo": "uv2nix",
+        "rev": "638bb9e42147ebd6344053b20f05516b7b4674d7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "adisbladis",
+        "repo": "uv2nix",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 2f13a8e..aa573e9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,12 +4,14 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
+    scim2-cli.url = "github:hrenard/scim2-cli";
   };
 
   outputs =
     {
       nixpkgs,
       flake-utils,
+      scim2-cli,
       ...
     }:
     flake-utils.lib.eachDefaultSystem (
@@ -167,6 +169,40 @@
         packages.make = make;
         packages.publish = publish;
         packages.release = release;
+        checks.compliance = pkgs.testers.runNixOSTest {
+          name = "compliance";
+          nodes.machine =
+            { config, pkgs, ... }:
+            {
+              environment.systemPackages = [
+                scim2-cli.packages.${system}.default
+                config.services.nextcloud.occ
+              ];
+              services.nextcloud = {
+                enable = true;
+                hostName = "localhost";
+                extraApps = {
+                  inherit scimserviceprovider;
+                };
+                config = {
+                  adminpassFile = "${(pkgs.writeText "ncpass" ''P@ssw0rd'')}";
+                };
+              };
+              nix.settings.experimental-features = [
+                "nix-command"
+                "flakes"
+              ];
+              system.stateVersion = "24.11";
+            };
+
+          testScript = ''
+            machine.wait_for_unit("nginx.service")
+            machine.wait_for_unit("phpfpm-nextcloud.service")
+            result = machine.execute("scim2 --url http://localhost/index.php/apps/scimserviceprovider --header 'Authorization: Basic cm9vdDpQQHNzdzByZA==' test -v")[1]
+            if "ERROR" in result:
+              raise Exception(result)
+          '';
+        };
         devShells.default = pkgs.mkShell {
           buildInputs = [
             occ