diff --git a/flake.lock b/flake.lock
index d82ab3e..2d52b10 100644
--- a/flake.lock
+++ b/flake.lock
@@ -15,7 +15,39 @@
         "type": "github"
       }
     },
+    "naersk": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1629707199,
+        "narHash": "sha256-sGxlmfp5eXL5sAMNqHSb04Zq6gPl+JeltIZ226OYN0w=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "df71f5e4babda41cd919a8684b72218e2e809fa9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
+      "locked": {
+        "lastModified": 1629843882,
+        "narHash": "sha256-pNaVImPmlXzOENlEqKla2CCh/nqdHRuFhBdgiNAnSkE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4b8708cad7da691c7ceb67a1fce79b13bd90e57f",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs_2": {
       "locked": {
         "lastModified": 1629835430,
         "narHash": "sha256-7ajWHlmckQ1GO3bdVP6JYjE0tvrtTHlolra+Z310bdM=",
@@ -34,7 +66,8 @@
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs_2"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index bb098aa..6a0a5ec 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,29 +2,19 @@
   description = "sort lines by their similarity to a candidate string";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/release-21.05";
     flake-utils.url = "github:numtide/flake-utils";
+    naersk.url = "github:nix-community/naersk";
+    nixpkgs.url = "github:NixOS/nixpkgs/release-21.05";
   };
 
-  outputs = { self, nixpkgs, flake-utils }:
+  outputs = { self, nixpkgs, flake-utils, naersk }:
     flake-utils.lib.eachDefaultSystem (system:
-      let pkgs = nixpkgs.legacyPackages.${system};
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        naersk-lib = naersk.lib.${system};
       in rec {
         # `nix build`
-        packages.similar-sort = pkgs.stdenv.mkDerivation {
-          name = "similar-sort";
-          buildInputs = [ pkgs.go ];
-          src = ./.;
-
-          buildPhase = ''
-            env HOME=$(pwd) GOPATH=$(pwd) go build similar-sort.go
-          '';
-
-          installPhase = ''
-            mkdir -p $out/bin
-            cp similar-sort $out/bin
-          '';
-        };
+        packages.similar-sort = naersk-lib.buildPackage ./.;
         defaultPackage = packages.similar-sort;
 
         # `nix run`