diff --git a/flake.lock b/flake.lock
index 429ec184..a04630e4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,5 +1,41 @@
 {
   "nodes": {
+    "c_formatter_42": {
+      "inputs": {
+        "c_formatter_42_src": "c_formatter_42_src",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1728739769,
+        "narHash": "sha256-Y/rVXn1rpZeE2D1HdcE30mpuzhwE/l6B0v7hu7lvrZw=",
+        "owner": "Maix0",
+        "repo": "c_formatter_42-flake",
+        "rev": "245ef44f1881a4839bd8a5957512dd5e0c342654",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Maix0",
+        "repo": "c_formatter_42-flake",
+        "type": "github"
+      }
+    },
+    "c_formatter_42_src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1727700580,
+        "narHash": "sha256-GFnYVipVE6G1GFUqAzRkBSg7GgPgcLWX48GZtmM4i2Q=",
+        "owner": "dawnbeen",
+        "repo": "c_formatter_42",
+        "rev": "a255930b4be508a94bf6d8523d96556bdb4660ad",
+        "type": "github"
+      },
+      "original": {
+        "owner": "dawnbeen",
+        "repo": "c_formatter_42",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "inputs": {
         "systems": "systems"
@@ -23,11 +59,11 @@
         "systems": "systems_2"
       },
       "locked": {
-        "lastModified": 1705309234,
-        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
+        "lastModified": 1726560853,
+        "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
+        "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
         "type": "github"
       },
       "original": {
@@ -54,11 +90,29 @@
         "type": "github"
       }
     },
+    "flake-utils_4": {
+      "inputs": {
+        "systems": "systems_4"
+      },
+      "locked": {
+        "lastModified": 1705309234,
+        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "generic_c": {
       "inputs": {
-        "flake-utils": "flake-utils_2",
+        "flake-utils": "flake-utils_3",
         "naersk": "naersk",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs_3",
         "rust-overlay": "rust-overlay"
       },
       "locked": {
@@ -77,7 +131,7 @@
     },
     "naersk": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs_2"
       },
       "locked": {
         "lastModified": 1698420672,
@@ -95,12 +149,10 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1706683685,
-        "narHash": "sha256-FtPPshEpxH/ewBOsdKBNhlsL2MLEFv1hEnQ19f/bFsQ=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "5ad9903c16126a7d949101687af0aa589b1d7d3d",
-        "type": "github"
+        "lastModified": 0,
+        "narHash": "sha256-9UTxR8eukdg+XZeHgxW5hQA9fIKHsKCdOIUycTryeVw=",
+        "path": "/nix/store/60sn02zhawl3kwn0r515zff3h6hg6ydz-source",
+        "type": "path"
       },
       "original": {
         "id": "nixpkgs",
@@ -108,6 +160,20 @@
       }
     },
     "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1706683685,
+        "narHash": "sha256-FtPPshEpxH/ewBOsdKBNhlsL2MLEFv1hEnQ19f/bFsQ=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "5ad9903c16126a7d949101687af0aa589b1d7d3d",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs_3": {
       "locked": {
         "lastModified": 1706683685,
         "narHash": "sha256-FtPPshEpxH/ewBOsdKBNhlsL2MLEFv1hEnQ19f/bFsQ=",
@@ -123,7 +189,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_3": {
+    "nixpkgs_4": {
       "locked": {
         "lastModified": 1706487304,
         "narHash": "sha256-LE8lVX28MV2jWJsidW13D2qrHU/RUUONendL2Q/WlJg=",
@@ -139,13 +205,13 @@
         "type": "github"
       }
     },
-    "nixpkgs_4": {
+    "nixpkgs_5": {
       "locked": {
-        "lastModified": 1727525597,
-        "narHash": "sha256-7cdO6lWNE54nxGk4l9BrVjPAAuKaRFQw9H03nkxWKk8=",
+        "lastModified": 1728738154,
+        "narHash": "sha256-BKniFdCCST/4gmDPjHgfVOOvCyVk5sp3PX+f4SKSFM0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "ae432fd808730915310847bfc8bcb279e27c5330",
+        "rev": "54cce652cb480258b12f15b2915e7a6c79ac51ae",
         "type": "github"
       },
       "original": {
@@ -156,15 +222,16 @@
     },
     "root": {
       "inputs": {
-        "flake-utils": "flake-utils",
+        "c_formatter_42": "c_formatter_42",
+        "flake-utils": "flake-utils_2",
         "generic_c": "generic_c",
-        "nixpkgs": "nixpkgs_4"
+        "nixpkgs": "nixpkgs_5"
       }
     },
     "rust-overlay": {
       "inputs": {
-        "flake-utils": "flake-utils_3",
-        "nixpkgs": "nixpkgs_3"
+        "flake-utils": "flake-utils_4",
+        "nixpkgs": "nixpkgs_4"
       },
       "locked": {
         "lastModified": 1706753617,
@@ -224,6 +291,21 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "systems_4": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index d17f3066..bdf960f8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,12 +4,14 @@
   inputs.nixpkgs.url = "github:nixos/nixpkgs";
   inputs.flake-utils.url = "github:numtide/flake-utils";
   inputs.generic_c.url = "github:Maix0/generic_c";
+  inputs.c_formatter_42.url = "github:Maix0/c_formatter_42-flake";
 
   outputs = {
     self,
     nixpkgs,
     flake-utils,
     generic_c,
+    c_formatter_42,
   }:
     flake-utils.lib.eachDefaultSystem (
       system: let
@@ -29,6 +31,7 @@
               norminette
               coreutils
               generic_c.packages.${system}.default
+              c_formatter_42.packages.${system}.default
               python312
               tree
             ]