diff --git a/.github/workflows/flake-check-action.yaml b/.github/workflows/flake-check-action.yaml
deleted file mode 100644
index 6517804..0000000
--- a/.github/workflows/flake-check-action.yaml
+++ /dev/null
@@ -1,26 +0,0 @@
----
-name: "Flake Check Action"
-run-name: "nfc"
-on:
-  workflow_dispatch: 
-  push:
-  pull_request:
-    types: [
-      opened,
-      edited,
-      synchronize,
-      reopened
-    ]
-    
-jobs:
-  checker:
-    runs-on: "ubuntu-latest"
-    steps:
-      - name: "Repo checkout"
-        uses: "actions/checkout@v5"
-      - name: "Nix Package Manager install"
-        uses: "DeterminateSystems/nix-installer-action@v16"
-      - name: "Flake.lock checking"
-        uses: "DeterminateSystems/flake-checker-action@v5"
-      - name: "Formatter run"
-        run: "nix fmt"
diff --git a/.github/workflows/flake-update-action.yaml b/.github/workflows/flake-update-action.yaml
deleted file mode 100644
index 37dfee4..0000000
--- a/.github/workflows/flake-update-action.yaml
+++ /dev/null
@@ -1,31 +0,0 @@
----
-name: "Flake Update Action"
-run-name: "nfu"
-on: 
-  workflow_dispatch: 
-  schedule: 
-    - cron: '0 0 * * 0'
-
-jobs:
-  locker:
-    runs-on: "ubuntu-latest"
-    steps:
-      - name: "repo checkout"
-        uses: "actions/checkout@v4"
-      - name: "nix install"
-        uses: "DeterminateSystems/nix-installer-action@v16"
-      - name: "flake check"
-        uses: "DeterminateSystems/flake-checker-action@v5"
-      - name: "flake update"
-        uses: "DeterminateSystems/update-flake-lock@v24"
-        with:
-          pr-title: "Update flake.lock Action"
-          pr-labels: |
-            "CI/CD"
-            "automated"
-          git-author-name: "John Nix"
-          git-author-email: "github-actions[bot]@users.noreply.github.com"
-          git-committer-name: "John Nix"
-          git-committer-email: "github-actions[bot]@users.noreply.github.com"
-          pr-assignees: "s0me1newithhand7s"
-          pr-reviewers: "s0me1newithhand7s"
\ No newline at end of file
diff --git a/.github/workflows/flake_update.yml b/.github/workflows/flake_update.yml
new file mode 100644
index 0000000..cb8bf20
--- /dev/null
+++ b/.github/workflows/flake_update.yml
@@ -0,0 +1,30 @@
+# This file is automatically generated from Nix configuration. Do not edit directly.
+
+jobs:
+  locking:
+    continue-on-error: false
+    name: flake.lock update
+    permissions: write-all
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v6
+      - name: nix install
+        uses: DeterminateSystems/nix-installer-action@v21
+      - name: flake.lock check
+        uses: DeterminateSystems/flake-checker-action@v12
+        with:
+          fail-mode: true
+      - name: flake.lock update
+        uses: DeterminateSystems/update-flake-lock@v28
+        with:
+          pr-assignees: s0me1newithhand7s
+          pr-lables: |
+            "CI/CD"
+          pr-reviewers: s0me1newithhand7s
+          pr-title: Update `flake.lock` GitHub Action
+name: flake lock updater
+"on":
+  schedule:
+    - cron: 0 0 * * *
+  workflow_dispatch: {}
diff --git a/.github/workflows/fmt_run.yml b/.github/workflows/fmt_run.yml
new file mode 100644
index 0000000..51cfdb8
--- /dev/null
+++ b/.github/workflows/fmt_run.yml
@@ -0,0 +1,23 @@
+# This file is automatically generated from Nix configuration. Do not edit directly.
+
+jobs:
+  fmt:
+    continue-on-error: false
+    permissions: write-all
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v6
+      - name: nix install
+        uses: DeterminateSystems/nix-installer-action@v21
+      - name: flake.lock check
+        uses: DeterminateSystems/flake-checker-action@v12
+        with:
+          fail-mode: true
+      - name: formatter run
+        run: |
+          nix develop -c prek run -a
+name: flake_format
+"on":
+  push: {}
+  workflow_dispatch: {}
diff --git a/flake.lock b/flake.lock
index f33adfe..4a44f6d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -695,6 +695,24 @@
       }
     },
     "flake-parts_5": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib_3"
+      },
+      "locked": {
+        "lastModified": 1763759067,
+        "narHash": "sha256-LlLt2Jo/gMNYAwOgdRQBrsRoOz7BPRkzvNaI/fzXi2Q=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "2cccadc7357c0ba201788ae99c4dfa90728ef5e0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-parts_6": {
       "inputs": {
         "nixpkgs-lib": [
           "lanzaboote",
@@ -715,7 +733,7 @@
         "type": "github"
       }
     },
-    "flake-parts_6": {
+    "flake-parts_7": {
       "inputs": {
         "nixpkgs-lib": [
           "nixos-anywhere",
@@ -736,9 +754,9 @@
         "type": "github"
       }
     },
-    "flake-parts_7": {
+    "flake-parts_8": {
       "inputs": {
-        "nixpkgs-lib": "nixpkgs-lib_3"
+        "nixpkgs-lib": "nixpkgs-lib_4"
       },
       "locked": {
         "lastModified": 1763759067,
@@ -754,7 +772,7 @@
         "type": "github"
       }
     },
-    "flake-parts_8": {
+    "flake-parts_9": {
       "inputs": {
         "nixpkgs-lib": [
           "stylix",
@@ -908,6 +926,25 @@
         "type": "github"
       }
     },
+    "github-actions-nix": {
+      "inputs": {
+        "flake-parts": "flake-parts_5",
+        "nixpkgs": "nixpkgs_9"
+      },
+      "locked": {
+        "lastModified": 1763847365,
+        "narHash": "sha256-RVjSCZWzs1nn4k4jf3hj9lhoRKI8S2xc0xMXAz+gTQ8=",
+        "owner": "synapdeck",
+        "repo": "github-actions-nix",
+        "rev": "e941d8dde765b1a860b757e68e814e73a4b1284c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "synapdeck",
+        "repo": "github-actions-nix",
+        "type": "github"
+      }
+    },
     "gitignore": {
       "inputs": {
         "nixpkgs": [
@@ -1216,7 +1253,7 @@
         "hyprutils": "hyprutils",
         "hyprwayland-scanner": "hyprwayland-scanner",
         "hyprwire": "hyprwire",
-        "nixpkgs": "nixpkgs_9",
+        "nixpkgs": "nixpkgs_10",
         "pre-commit-hooks": "pre-commit-hooks_2",
         "systems": "systems_4",
         "xdph": "xdph"
@@ -1492,7 +1529,7 @@
       "inputs": {
         "crane": "crane_2",
         "flake-compat": "flake-compat_7",
-        "flake-parts": "flake-parts_5",
+        "flake-parts": "flake-parts_6",
         "nixpkgs": [
           "nixpkgs"
         ],
@@ -1532,7 +1569,7 @@
     },
     "nekoflake": {
       "inputs": {
-        "nixpkgs": "nixpkgs_10"
+        "nixpkgs": "nixpkgs_11"
       },
       "locked": {
         "lastModified": 1744631782,
@@ -1776,11 +1813,11 @@
     "nixos-anywhere": {
       "inputs": {
         "disko": "disko_2",
-        "flake-parts": "flake-parts_6",
+        "flake-parts": "flake-parts_7",
         "nix-vm-test": "nix-vm-test",
         "nixos-images": "nixos-images",
         "nixos-stable": "nixos-stable",
-        "nixpkgs": "nixpkgs_11",
+        "nixpkgs": "nixpkgs_12",
         "treefmt-nix": "treefmt-nix_2"
       },
       "locked": {
@@ -1800,8 +1837,8 @@
     "nixos-cli": {
       "inputs": {
         "flake-compat": "flake-compat_8",
-        "flake-parts": "flake-parts_7",
-        "nixpkgs": "nixpkgs_12",
+        "flake-parts": "flake-parts_8",
+        "nixpkgs": "nixpkgs_13",
         "optnix": "optnix"
       },
       "locked": {
@@ -1883,7 +1920,7 @@
     "nixos-wsl": {
       "inputs": {
         "flake-compat": "flake-compat_10",
-        "nixpkgs": "nixpkgs_14"
+        "nixpkgs": "nixpkgs_15"
       },
       "locked": {
         "lastModified": 1765841014,
@@ -1993,6 +2030,21 @@
         "type": "github"
       }
     },
+    "nixpkgs-lib_4": {
+      "locked": {
+        "lastModified": 1761765539,
+        "narHash": "sha256-b0yj6kfvO8ApcSE+QmA6mUfu8IYG6/uU28OFn4PaC8M=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "719359f4562934ae99f5443f20aa06c2ffff91fc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
     "nixpkgs-stable": {
       "locked": {
         "lastModified": 1730741070,
@@ -2010,6 +2062,22 @@
       }
     },
     "nixpkgs_10": {
+      "locked": {
+        "lastModified": 1766070988,
+        "narHash": "sha256-G/WVghka6c4bAzMhTwT2vjLccg/awmHkdKSd2JrycLc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c6245e83d836d0433170a16eb185cefe0572f8b8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_11": {
       "locked": {
         "lastModified": 1742283249,
         "narHash": "sha256-hYz59vIFHjPt3l4iaXwCGUPu85EVRomzZRONksMVmgY=",
@@ -2024,7 +2092,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_11": {
+    "nixpkgs_12": {
       "locked": {
         "lastModified": 1749201760,
         "narHash": "sha256-LEZbj+VD/AR/dWL5ns1gMwzMvp4mLlv4WalxmZTKy5Y=",
@@ -2040,7 +2108,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_12": {
+    "nixpkgs_13": {
       "locked": {
         "lastModified": 1764527385,
         "narHash": "sha256-nA5ywiGKl76atrbdZ5Aucd8SjF/v8ew9b9QsC+MKL14=",
@@ -2056,7 +2124,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_13": {
+    "nixpkgs_14": {
       "locked": {
         "lastModified": 1759070547,
         "narHash": "sha256-JVZl8NaVRYb0+381nl7LvPE+A774/dRpif01FKLrYFQ=",
@@ -2072,7 +2140,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_14": {
+    "nixpkgs_15": {
       "locked": {
         "lastModified": 1765472234,
         "narHash": "sha256-9VvC20PJPsleGMewwcWYKGzDIyjckEz8uWmT0vCDYK0=",
@@ -2088,7 +2156,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_15": {
+    "nixpkgs_16": {
       "locked": {
         "lastModified": 1766902085,
         "narHash": "sha256-coBu0ONtFzlwwVBzmjacUQwj3G+lybcZ1oeNSQkgC0M=",
@@ -2104,7 +2172,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_16": {
+    "nixpkgs_17": {
       "locked": {
         "lastModified": 1766840161,
         "narHash": "sha256-Ss/LHpJJsng8vz1Pe33RSGIWUOcqM1fjrehjUkdrWio=",
@@ -2120,7 +2188,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_17": {
+    "nixpkgs_18": {
       "locked": {
         "lastModified": 1764517877,
         "narHash": "sha256-pp3uT4hHijIC8JUK5MEqeAWmParJrgBVzHLNfJDZxg4=",
@@ -2136,7 +2204,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_18": {
+    "nixpkgs_19": {
       "locked": {
         "lastModified": 1761236834,
         "narHash": "sha256-+pthv6hrL5VLW2UqPdISGuLiUZ6SnAXdd2DdUE+fV2Q=",
@@ -2152,20 +2220,6 @@
         "type": "github"
       }
     },
-    "nixpkgs_19": {
-      "locked": {
-        "lastModified": 1682134069,
-        "narHash": "sha256-TnI/ZXSmRxQDt2sjRYK/8j8iha4B4zP2cnQCZZ3vp7k=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "fd901ef4bf93499374c5af385b2943f5801c0833",
-        "type": "github"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
-      }
-    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1766651565,
@@ -2182,6 +2236,20 @@
         "type": "github"
       }
     },
+    "nixpkgs_20": {
+      "locked": {
+        "lastModified": 1682134069,
+        "narHash": "sha256-TnI/ZXSmRxQDt2sjRYK/8j8iha4B4zP2cnQCZZ3vp7k=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "fd901ef4bf93499374c5af385b2943f5801c0833",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
     "nixpkgs_3": {
       "locked": {
         "lastModified": 1764950072,
@@ -2280,11 +2348,11 @@
     },
     "nixpkgs_9": {
       "locked": {
-        "lastModified": 1766070988,
-        "narHash": "sha256-G/WVghka6c4bAzMhTwT2vjLccg/awmHkdKSd2JrycLc=",
+        "lastModified": 1763678758,
+        "narHash": "sha256-+hBiJ+kG5IoffUOdlANKFflTT5nO3FrrR2CA3178Y5s=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c6245e83d836d0433170a16eb185cefe0572f8b8",
+        "rev": "117cc7f94e8072499b0a7aa4c52084fa4e11cc9b",
         "type": "github"
       },
       "original": {
@@ -2380,7 +2448,7 @@
     "optnix": {
       "inputs": {
         "flake-compat": "flake-compat_9",
-        "nixpkgs": "nixpkgs_13"
+        "nixpkgs": "nixpkgs_14"
       },
       "locked": {
         "lastModified": 1765418479,
@@ -2502,6 +2570,7 @@
         "flake-parts": "flake-parts_4",
         "freesm": "freesm",
         "git-hooks-nix": "git-hooks-nix",
+        "github-actions-nix": "github-actions-nix",
         "home-manager": "home-manager_3",
         "homebrew-bundle": "homebrew-bundle",
         "homebrew-cask": "homebrew-cask",
@@ -2517,7 +2586,7 @@
         "nixos-cli": "nixos-cli",
         "nixos-generators": "nixos-generators",
         "nixos-wsl": "nixos-wsl",
-        "nixpkgs": "nixpkgs_15",
+        "nixpkgs": "nixpkgs_16",
         "noctalia": "noctalia",
         "quickshell": "quickshell",
         "sops-nix": "sops-nix",
@@ -2609,7 +2678,7 @@
     },
     "sops-nix": {
       "inputs": {
-        "nixpkgs": "nixpkgs_16"
+        "nixpkgs": "nixpkgs_17"
       },
       "locked": {
         "lastModified": 1766894905,
@@ -2653,9 +2722,9 @@
         "base16-helix": "base16-helix",
         "base16-vim": "base16-vim",
         "firefox-gnome-theme": "firefox-gnome-theme",
-        "flake-parts": "flake-parts_8",
+        "flake-parts": "flake-parts_9",
         "gnome-shell": "gnome-shell",
-        "nixpkgs": "nixpkgs_17",
+        "nixpkgs": "nixpkgs_18",
         "nur": "nur",
         "systems": "systems_6",
         "tinted-foot": "tinted-foot",
@@ -2928,7 +2997,7 @@
     },
     "treefmt-nix_3": {
       "inputs": {
-        "nixpkgs": "nixpkgs_18"
+        "nixpkgs": "nixpkgs_19"
       },
       "locked": {
         "lastModified": 1766000401,
@@ -2965,7 +3034,7 @@
     "vscserver": {
       "inputs": {
         "flake-utils": "flake-utils_2",
-        "nixpkgs": "nixpkgs_19"
+        "nixpkgs": "nixpkgs_20"
       },
       "locked": {
         "lastModified": 1753541826,
diff --git a/flake.nix b/flake.nix
index 6e35ed2..0ec409b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -85,6 +85,13 @@
       repo = "freesmlauncher";
     };
 
+    github-actions-nix = {
+      flake = true;
+      type = "github";
+      owner = "synapdeck";
+      repo = "github-actions-nix";
+    };
+
     git-hooks-nix = {
       flake = true;
       type = "github";
@@ -356,6 +363,7 @@
         inputs.devenv.flakeModule
         # i can't really deside between devenv, devshells and devShells they are equally good for me
         # for now, at least, i'm using numtide/devshells
+        inputs.github-actions-nix.flakeModule
       ];
 
       flake = {
@@ -637,6 +645,117 @@
               ++ config.pre-commit.settings.enabledPackages;
           };
         };
+
+        # synapdeck/github-actions-nix, declaretive gha
+        githubActions = {
+          enable = true;
+
+          workflows = {
+            "flake_update" = {
+              name = "flake lock updater";
+              on = {
+                workflowDispatch = {};
+                schedule = [
+                  {
+                    cron = "0 0 * * *";
+                  }
+                ];
+              };
+
+              jobs = {
+                "locking" = {
+                  name = "flake.lock update";
+                  runsOn = "ubuntu-latest";
+                  continueOnError = false;
+                  permissions = "write-all";
+                  steps = [
+                    {
+                      name = "checkout";
+                      uses = "actions/checkout@v6";
+                    }
+
+                    {
+                      name = "nix install";
+                      uses = "DeterminateSystems/nix-installer-action@v21";
+                    }
+
+                    {
+                      name = "flake.lock check";
+                      uses = "DeterminateSystems/flake-checker-action@v12";
+                      with_ = {
+                        fail-mode = true;
+                      };
+                    }
+
+                    {
+                      name = "flake.lock update";
+                      uses = "DeterminateSystems/update-flake-lock@v28";
+                      with_ = {
+                        pr-title = "Update `flake.lock` GitHub Action";
+                        pr-assignees = "s0me1newithhand7s";
+                        pr-reviewers = "s0me1newithhand7s";
+                        pr-lables = ''
+                          "CI/CD"
+                        '';
+                      };
+                    }
+                  ];
+                };
+              };
+            };
+
+            "fmt_run" = {
+              name = "flake_format";
+              on = {
+                workflowDispatch = {};
+                push = {};
+
+                workflowDispatch = {
+                  types = [
+                    "opened"
+                    "edited"
+                    "synchronize"
+                    "reopened"
+                  ];
+                };
+              };
+
+              jobs = {
+                "fmt" = {
+                  runsOn = "ubuntu-latest";
+                  continueOnError = false;
+                  permissions = "write-all";
+                  steps = [
+                    {
+                      name = "checkout";
+                      uses = "actions/checkout@v6";
+                    }
+
+                    {
+                      name = "nix install";
+                      uses = "DeterminateSystems/nix-installer-action@v21";
+                    }
+
+                    {
+                      name = "flake.lock check";
+                      uses = "DeterminateSystems/flake-checker-action@v12";
+                      with_ = {
+                        fail-mode = true;
+                      };
+                    }
+
+                    {
+                      name = "formatter run";
+                      run = ''
+                        nix develop -c prek run -a
+                      '';
+                    }
+                  ];
+                };
+              };
+            };
+          };
+        };
       };
     };
 }