diff --git a/flake.lock b/flake.lock
index c950124..d2af8fe 100644
--- a/flake.lock
+++ b/flake.lock
@@ -326,7 +326,7 @@
     },
     "flake-utils_5": {
       "inputs": {
-        "systems": "systems_7"
+        "systems": "systems_6"
       },
       "locked": {
         "lastModified": 1694529238,
@@ -342,6 +342,32 @@
         "type": "github"
       }
     },
+    "git-hooks": {
+      "inputs": {
+        "flake-compat": [
+          "simple-nixos-mailserver",
+          "flake-compat"
+        ],
+        "gitignore": "gitignore_2",
+        "nixpkgs": [
+          "simple-nixos-mailserver",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1747372754,
+        "narHash": "sha256-2Y53NGIX2vxfie1rOW0Qb86vjRZ7ngizoo+bnXU9D9k=",
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "80479b6ec16fefd9c1db3ea13aeb038c60530f46",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "type": "github"
+      }
+    },
     "gitignore": {
       "inputs": {
         "nixpkgs": [
@@ -364,6 +390,28 @@
         "type": "github"
       }
     },
+    "gitignore_2": {
+      "inputs": {
+        "nixpkgs": [
+          "simple-nixos-mailserver",
+          "git-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -580,19 +628,20 @@
         "type": "indirect"
       }
     },
-    "nixpkgs-24_05": {
+    "nixpkgs-25_05": {
       "locked": {
-        "lastModified": 1717144377,
-        "narHash": "sha256-F/TKWETwB5RaR8owkPPi+SPJh83AQsm6KrQAlJ8v/uA=",
+        "lastModified": 1748162331,
+        "narHash": "sha256-rqc2RKYTxP3tbjA+PB3VMRQNnjesrT0pEofXQTrMsS8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "805a384895c696f802a9bf5bf4720f37385df547",
+        "rev": "7c43f080a7f28b2774f3b3f43234ca11661bf334",
         "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
-        "ref": "nixos-24.05",
-        "type": "indirect"
+        "owner": "NixOS",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "nixpkgs-lib": {
@@ -791,23 +840,23 @@
       "inputs": {
         "blobs": "blobs",
         "flake-compat": "flake-compat_3",
+        "git-hooks": "git-hooks",
         "nixpkgs": [
           "nixpkgs"
         ],
-        "nixpkgs-24_05": "nixpkgs-24_05",
-        "utils": "utils"
+        "nixpkgs-25_05": "nixpkgs-25_05"
       },
       "locked": {
-        "lastModified": 1734885828,
-        "narHash": "sha256-G0fB1YBlkalu8lLGRB07K8CpUWNVd+unfrjNomSL7SM=",
+        "lastModified": 1747965231,
+        "narHash": "sha256-BW3ktviEhfCN/z3+kEyzpDKAI8qFTwO7+S0NVA0C90o=",
         "owner": "simple-nixos-mailserver",
         "repo": "nixos-mailserver",
-        "rev": "636b82f4175e3f6b1e80d2189bb0469e2ae01a55",
+        "rev": "53007af63fade28853408370c4c600a63dd97f41",
         "type": "gitlab"
       },
       "original": {
         "owner": "simple-nixos-mailserver",
-        "ref": "nixos-24.05",
+        "ref": "nixos-25.05",
         "repo": "nixos-mailserver",
         "type": "gitlab"
       }
@@ -968,21 +1017,6 @@
         "type": "github"
       }
     },
-    "systems_7": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
     "unstable": {
       "locked": {
         "lastModified": 1748190013,
@@ -998,24 +1032,6 @@
         "repo": "nixpkgs",
         "type": "github"
       }
-    },
-    "utils": {
-      "inputs": {
-        "systems": "systems_6"
-      },
-      "locked": {
-        "lastModified": 1709126324,
-        "narHash": "sha256-q6EQdSeUZOG26WelxqkmR7kArjgWCdw5sfJVHPH/7j8=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "d465f4819400de7c8d874d50b982301f28a84605",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index ef2bf05..fc058f3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -60,7 +60,7 @@
       # inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    simple-nixos-mailserver.url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-24.05";
+    simple-nixos-mailserver.url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-25.05";
     simple-nixos-mailserver.inputs.nixpkgs.follows = "nixpkgs";
 
     claude.url = "github:k3d3/claude-desktop-linux-flake";
diff --git a/overlays/unstable/claude-code/package-lock.json b/overlays/unstable/claude-code/package-lock.json
index 320bb49..035b36b 100644
--- a/overlays/unstable/claude-code/package-lock.json
+++ b/overlays/unstable/claude-code/package-lock.json
@@ -5,13 +5,13 @@
   "packages": {
     "": {
       "dependencies": {
-        "@anthropic-ai/claude-code": "^1.0.2"
+        "@anthropic-ai/claude-code": "^1.0.3"
       }
     },
     "node_modules/@anthropic-ai/claude-code": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-code/-/claude-code-1.0.2.tgz",
-      "integrity": "sha512-6p7RMXEcVfymsJ7v0GyMfA3gcD2AbFVSb9b1Py4tbxM2ensjyaSx3wVQW2QiFk+9mhoRkYc0ETVnJ1x/G0LW7g==",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-code/-/claude-code-1.0.3.tgz",
+      "integrity": "sha512-a4aBhcXGG7k4YtyF2aYVKt08h48BG+F12RA/G3K1vb6unl9CAvWDP/A7xudtCOzxFKxLwxctrn74pHEdpmHSPw==",
       "hasInstallScript": true,
       "license": "SEE LICENSE IN README.md",
       "bin": {
diff --git a/overlays/unstable/claude-code/package.nix b/overlays/unstable/claude-code/package.nix
index 3734f65..d27951c 100644
--- a/overlays/unstable/claude-code/package.nix
+++ b/overlays/unstable/claude-code/package.nix
@@ -6,14 +6,14 @@
 
 buildNpmPackage rec {
   pname = "claude-code";
-  version = "1.0.2";
+  version = "1.0.3";
 
   src = fetchzip {
     url = "https://registry.npmjs.org/@anthropic-ai/claude-code/-/claude-code-${version}.tgz";
-    hash = "sha256-mQv2o9uaOZiZSdkNmLiqJs66fe9fiHfEmrXQZwmME34=";
+    hash = "sha256-LjDxVv6KSTuRZhCHztvf81E5DQbkqs8cbrnbbGkCeQU=";
   };
 
-  npmDepsHash = "sha256-Diii1tBBzYlB4svlphtu1VAOoijoq9WudxtJFSXXbbE=";
+  npmDepsHash = "sha256-muMukVEj6uXkupSoyp41FihsLth0ENgfzBlD5CwlE2w=";
 
   postPatch = ''
     cp ${./package-lock.json} package-lock.json