diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..dade030
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1756542300,
+        "narHash": "sha256-tlOn88coG5fzdyqz6R93SQL5Gpq+m/DsWpekNFhqPQk=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "d7600c775f877cd87b4f5a831c28aa94137377aa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
index d02576e..1595293 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,9 +8,16 @@
   outputs = {
     self,
     nixpkgs,
-  }: {
-    packages.x86_64-linux.hello = nixpkgs.legacyPackages.x86_64-linux.hello;
+  }: let
+    system = "x86_64-linux";
+    pkgs = import nixpkgs {inherit system;};
+  in {
+    devShells.default = pkgs.mkShell {
+      buildInputs = with pkgs; [
+        openssl
+      ];
 
-    packages.x86_64-linux.default = self.packages.x86_64-linux.hello;
+      nativeBuildInputs = [pkgs.pkg-config];
+    };
   };
 }