diff --git a/flake.lock b/flake.lock
index bc1f6cb..8fc9530 100644
--- a/flake.lock
+++ b/flake.lock
@@ -15,21 +15,21 @@
         "type": "github"
       }
     },
-    "flake-parts": {
+    "flake-utils": {
       "inputs": {
-        "nixpkgs-lib": "nixpkgs-lib"
+        "systems": "systems"
       },
       "locked": {
-        "lastModified": 1741352980,
-        "narHash": "sha256-+u2UunDA4Cl5Fci3m7S643HzKmIDAe+fiXrLqYsR2fs=",
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "rev": "f4330d22f1c5d2ba72d3d22df5597d123fdb60a9",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
+        "owner": "numtide",
+        "repo": "flake-utils",
         "type": "github"
       }
     },
@@ -49,26 +49,47 @@
         "type": "github"
       }
     },
-    "nixpkgs-lib": {
-      "locked": {
-        "lastModified": 1740877520,
-        "narHash": "sha256-oiwv/ZK/2FhGxrCkQkB83i7GnWXPPLzoqFHpDD3uYpk=",
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "rev": "147dee35aab2193b174e4c0868bd80ead5ce755c",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "crane": "crane",
-        "flake-parts": "flake-parts",
-        "nixpkgs": "nixpkgs"
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1743475035,
+        "narHash": "sha256-uLjVsb4Rxnp1zmFdPCDmdODd4RY6ETOeRj0IkC0ij/4=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "bee11c51c2cda3ac57c9e0149d94b86cc1b00d13",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index c472c66..53b074e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,18 +1,26 @@
 {
-  description = "Description for the project";
+  description = "nixcp flake";
 
   inputs = {
-    flake-parts.url = "github:hercules-ci/flake-parts";
+    flake-utils.url = "github:numtide/flake-utils";
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     crane.url = "github:ipetkov/crane";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
-  outputs = inputs@{ flake-parts, crane, ... }:
-    flake-parts.lib.mkFlake { inherit inputs; } {
-      systems = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" "x86_64-darwin" ];
-      perSystem = { config, self', inputs', pkgs, system, ... }:
+  outputs = inputs@{ nixpkgs, flake-utils, crane, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
       let
-        craneLib = crane.mkLib pkgs;
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [
+            (import inputs.rust-overlay)
+          ];
+        };
+        craneLib = (crane.mkLib pkgs).overrideToolchain(p: p.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml);
       in
       {
         devShells.default = pkgs.mkShell {
@@ -34,6 +42,6 @@
             openssl
           ];
         };
-      };
-    };
+      }
+    );
 }
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..eceaf24
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,9 @@
+[toolchain]
+channel = "nightly"
+profile = "minimal"
+components = [
+    "rust-src",
+    "rust-analyzer",
+    "rustfmt",
+    "clippy",
+]
\ No newline at end of file