diff --git a/purescript/flake.nix b/purescript/flake.nix
index f9ecc0f..bc3a6f6 100644
--- a/purescript/flake.nix
+++ b/purescript/flake.nix
@@ -2,34 +2,39 @@
   description = "A Nix-flake-based Purescript development environment";
 
   inputs = {
-    inputs.nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.*.tar.gz";
+    nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.*.tar.gz";
     easy-purescript-nix = {
       url = "github:justinwoo/easy-purescript-nix";
       flake = false;
     };
   };
 
-  outputs = { self, nixpkgs, easy-purescript-nix }:
-    let
-      supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-darwin" ]; # "aarch64-linux" not supported
-      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
-        pkgs = import nixpkgs { inherit system; };
-      });
-    in
-    {
-      devShells = forEachSupportedSystem ({ pkgs }: {
-        default =
-          let
-            easy-ps = import easy-purescript-nix { inherit pkgs; };
-          in
-          pkgs.mkShell {
-            packages = (with pkgs; [ nodejs ]) ++ (with easy-ps; [
+  outputs = {
+    self,
+    nixpkgs,
+    easy-purescript-nix,
+  }: let
+    supportedSystems = ["x86_64-linux" "x86_64-darwin" "aarch64-darwin"]; # "aarch64-linux" not supported
+    forEachSupportedSystem = f:
+      nixpkgs.lib.genAttrs supportedSystems (system:
+        f {
+          pkgs = import nixpkgs {inherit system;};
+        });
+  in {
+    devShells = forEachSupportedSystem ({pkgs}: {
+      default = let
+        easy-ps = import easy-purescript-nix {inherit pkgs;};
+      in
+        pkgs.mkShell {
+          packages =
+            (with pkgs; [nodejs])
+            ++ (with easy-ps; [
               purs
               spago
               purescript-language-server
               purs-tidy
             ]);
-          };
-      });
-    };
+        };
+    });
+  };
 }
diff --git a/rust/flake.nix b/rust/flake.nix
index bc10e5b..c3b59a6 100644
--- a/rust/flake.nix
+++ b/rust/flake.nix
@@ -2,48 +2,50 @@
   description = "A Nix-flake-based Rust development environment";
 
   inputs = {
-    inputs.nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.*.tar.gz";
+    nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.*.tar.gz";
     rust-overlay = {
       url = "github:oxalica/rust-overlay";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
 
-  outputs = { self, nixpkgs, rust-overlay }:
-    let
-      overlays = [
-        rust-overlay.overlays.default
-        (final: prev: {
-          rustToolchain =
-            let
-              rust = prev.rust-bin;
-            in
-            if builtins.pathExists ./rust-toolchain.toml then
-              rust.fromRustupToolchainFile ./rust-toolchain.toml
-            else if builtins.pathExists ./rust-toolchain then
-              rust.fromRustupToolchainFile ./rust-toolchain
-            else
-              rust.stable.latest.default;
-        })
-      ];
-      supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
-      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
-        pkgs = import nixpkgs { inherit overlays system; };
-      });
-    in
-    {
-      devShells = forEachSupportedSystem ({ pkgs }: {
-        default = pkgs.mkShell {
-          packages = with pkgs; [
-            rustToolchain
-            openssl
-            pkg-config
-            cargo-deny
-            cargo-edit
-            cargo-watch
-            rust-analyzer
-          ];
-        };
-      });
-    };
+  outputs = {
+    self,
+    nixpkgs,
+    rust-overlay,
+  }: let
+    overlays = [
+      rust-overlay.overlays.default
+      (final: prev: {
+        rustToolchain = let
+          rust = prev.rust-bin;
+        in
+          if builtins.pathExists ./rust-toolchain.toml
+          then rust.fromRustupToolchainFile ./rust-toolchain.toml
+          else if builtins.pathExists ./rust-toolchain
+          then rust.fromRustupToolchainFile ./rust-toolchain
+          else rust.stable.latest.default;
+      })
+    ];
+    supportedSystems = ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"];
+    forEachSupportedSystem = f:
+      nixpkgs.lib.genAttrs supportedSystems (system:
+        f {
+          pkgs = import nixpkgs {inherit overlays system;};
+        });
+  in {
+    devShells = forEachSupportedSystem ({pkgs}: {
+      default = pkgs.mkShell {
+        packages = with pkgs; [
+          rustToolchain
+          openssl
+          pkg-config
+          cargo-deny
+          cargo-edit
+          cargo-watch
+          rust-analyzer
+        ];
+      };
+    });
+  };
 }