diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..2d742ce
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,23 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 0,
+        "narHash": "sha256-Ctij+dOi0ZZIfX5eMhgwugfvB+WZSrvVNAyAuANOsnQ=",
+        "path": "/nix/store/m2vv0bxfchzrjngx8wi0i7dhzb9q2g50-source",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..79e8b5a
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,6 @@
+{
+  description = "The flake for this project.";
+  outputs = inputs@{ self, nixpkgs, ... }: {
+    devShell.x86_64-linux = import ./shell.nix { pkgs = import nixpkgs { system = "x86_64-linux"; }; };
+  };
+}
diff --git a/shell.nix b/shell.nix
index eea232a..c00c2f4 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,18 +1,22 @@
-{ pkgs ? import (fetchTarball "http://nixos.org/channels/nixos-21.05/nixexprs.tar.xz") {} }:
+{ pkgs ? import <nixpkgs> { } }:
 
 let
   python3WithPackages = pkgs.python3.withPackages(p:
     with pkgs.python3Packages; [
       pynvim
+      jupyter
+      black
     ]);
 in
 pkgs.mkShell {
   buildInputs = with pkgs; [
+    flow
+    gcc
     gnumake
     gnuplot
     graphviz
     lilypond
-    nodejs-14_x
+    nodejs-16_x
     octaveFull
     python3WithPackages
     racket