diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8e4a0a4..cc9894c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,8 +17,8 @@ jobs:
         run: nix develop --command cargo fmt --all -- --check
       - name: Run clippy
         run: nix develop --command cargo clippy -- -D warnings
-      - name: Run tests
-        run: nix develop --command cargo test
+      - name: Run alejandra
+        run: nix develop --command alejandra --check flake.nix
 
   test:
     runs-on: ubuntu-latest
diff --git a/.zed/settings.json b/.zed/settings.json
index 396a7e1..2bf41b4 100644
--- a/.zed/settings.json
+++ b/.zed/settings.json
@@ -13,5 +13,18 @@
         }
       }
     }
+  },
+  "languages": {
+    "Nix": {
+      "formatter": {
+        "external": {
+          "command": "alejandra",
+          "arguments": [
+            "-q"
+          ]
+        }
+      },
+      "format_on_save": "on"
+    }
   }
 }
diff --git a/flake.nix b/flake.nix
index bd4b4e5..6373489 100644
--- a/flake.nix
+++ b/flake.nix
@@ -11,77 +11,81 @@
     };
   };
 
-  outputs = { nixpkgs, flake-utils, fenix, crane, ... }:
-    flake-utils.lib.eachDefaultSystem (system:
-      let
-        pkgs = nixpkgs.legacyPackages.${system};
-        # Using stable toolchain as base
-        toolchain = with fenix.packages.${system};
-          combine [
-            minimal.rustc
-            minimal.cargo
-            targets.x86_64-pc-windows-gnu.latest.rust-std
+  outputs = {
+    nixpkgs,
+    flake-utils,
+    fenix,
+    crane,
+    ...
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+      # Using stable toolchain as base
+      toolchain = with fenix.packages.${system};
+        combine [
+          minimal.rustc
+          minimal.cargo
+          targets.x86_64-pc-windows-gnu.latest.rust-std
         ];
-        craneLib = (crane.mkLib pkgs).overrideToolchain toolchain;
+      craneLib = (crane.mkLib pkgs).overrideToolchain toolchain;
 
-        # Common build inputs for both native and cross compilation
-        commonArgs = {
+      # Common build inputs for both native and cross compilation
+      commonArgs = {
+        src = craneLib.cleanCargoSource ./.;
+        cargoArtifacts = craneLib.buildDepsOnly {
           src = craneLib.cleanCargoSource ./.;
-          cargoArtifacts = craneLib.buildDepsOnly {
-            src = craneLib.cleanCargoSource ./.;
-          };
-          doCheck = false;  # skip tests during nix build
         };
+        doCheck = false; # skip tests during nix build
+      };
 
-        # Native build
-        timr = craneLib.buildPackage commonArgs;
+      # Native build
+      timr = craneLib.buildPackage commonArgs;
 
-        # Windows cross-compilation build
-        # @see https://crane.dev/examples/cross-windows.html
-        crossBuild = craneLib.buildPackage {
-          src = craneLib.cleanCargoSource ./.;
+      # Windows cross-compilation build
+      # @see https://crane.dev/examples/cross-windows.html
+      crossBuild = craneLib.buildPackage {
+        src = craneLib.cleanCargoSource ./.;
 
-          strictDeps = true;
-          doCheck = false;
+        strictDeps = true;
+        doCheck = false;
 
-          CARGO_BUILD_TARGET = "x86_64-pc-windows-gnu";
+        CARGO_BUILD_TARGET = "x86_64-pc-windows-gnu";
 
-          # fixes issues related to libring
-          TARGET_CC = "${pkgs.pkgsCross.mingwW64.stdenv.cc}/bin/${pkgs.pkgsCross.mingwW64.stdenv.cc.targetPrefix}cc";
+        # fixes issues related to libring
+        TARGET_CC = "${pkgs.pkgsCross.mingwW64.stdenv.cc}/bin/${pkgs.pkgsCross.mingwW64.stdenv.cc.targetPrefix}cc";
 
-          #fixes issues related to openssl
-          OPENSSL_DIR = "${pkgs.openssl.dev}";
-          OPENSSL_LIB_DIR = "${pkgs.openssl.out}/lib";
-          OPENSSL_INCLUDE_DIR = "${pkgs.openssl.dev}/include/";
+        #fixes issues related to openssl
+        OPENSSL_DIR = "${pkgs.openssl.dev}";
+        OPENSSL_LIB_DIR = "${pkgs.openssl.out}/lib";
+        OPENSSL_INCLUDE_DIR = "${pkgs.openssl.dev}/include/";
 
-          depsBuildBuild = with pkgs; [
-            pkgsCross.mingwW64.stdenv.cc
-            pkgsCross.mingwW64.windows.pthreads
+        depsBuildBuild = with pkgs; [
+          pkgsCross.mingwW64.stdenv.cc
+          pkgsCross.mingwW64.windows.pthreads
+        ];
+      };
+    in {
+      packages = {
+        inherit timr;
+        default = timr;
+        windows = crossBuild;
+      };
+
+      # Development shell with all necessary tools
+      devShell = with nixpkgs.legacyPackages.${system};
+        mkShell {
+          buildInputs = with fenix.packages.${system}.stable; [
+            rust-analyzer
+            clippy
+            rustfmt
+            toolchain
+            pkgs.just
+            pkgs.nixd
+            pkgs.alejandra
           ];
-        };
-      in
-      {
-        packages = {
-          inherit timr;
-          default = timr;
-          windows = crossBuild;
-        };
-
-        # Development shell with all necessary tools
-        devShell = with nixpkgs.legacyPackages.${system}; mkShell {
-            buildInputs = with fenix.packages.${system}.stable; [
-              rust-analyzer
-              clippy
-              rustfmt
-              toolchain
-              pkgs.just
-            ];
-
-
-
 
           inherit (commonArgs) src;
           RUST_SRC_PATH = "${toolchain}/lib/rustlib/src/rust/library";
         };
-      });
+    });
 }