diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..92e5b95
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,23 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 0,
+        "narHash": "sha256-ECni+IkwXjusHsm9Sexdtq8weAq/yUyt1TWIemXt3Ko=",
+        "path": "/nix/store/bi5zxc0v5g6ylygdwyqzh280sccg3ykb-source",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
index c9197e4..5bdb20d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,4 +1,6 @@
 {
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+
   outputs =
     { nixpkgs, ... }: {
       packages."x86_64-linux".default = derivation