diff --git a/README.md b/README.md
index fe26baa..e35c002 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,15 @@ $ ./top500.py               # Download and combine latest biannual spreadsheets
 $ ./top500_plot.py          # Create PNG- and SVG-format plots using TOP500_history.csv
 ```
 
+# With Nix
+
+This repository provides a [Nix](https://nixos.org) environment. You can run the scripts as:
+
+```
+$ nix develop --command python3 top500.py
+$ nix develop --command python3 top500_plot.py
+```
+
 # License
 
 GPLv3 or later
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..08aa81f
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,44 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1685566663,
+        "narHash": "sha256-btHN1czJ6rzteeCuE/PNrdssqYD2nIA4w48miQAFloM=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "4ecab3273592f27479a583fb6d975d4aba3486fe",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "23.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_top500": {
+      "locked": {
+        "lastModified": 1618216442,
+        "narHash": "sha256-t2CgQ5UCbrvE9DucMMcz9++S0gEVd0QKUNG9EyEAgwU=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "dce8fc727dc2891628e4f878bb18af643b7b255d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "dce8fc727dc2891628e4f878bb18af643b7b255d",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "nixpkgs_top500": "nixpkgs_top500"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..951a0aa
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,26 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/23.05";
+    nixpkgs_top500.url = "github:nixos/nixpkgs/dce8fc727dc2891628e4f878bb18af643b7b255d";
+  };
+
+  outputs = { self, nixpkgs, nixpkgs_top500 }:
+    let
+      system = "x86_64-linux";
+      pkgs = import nixpkgs { inherit system; };
+      pkgs_top500 = import nixpkgs_top500 { inherit system; };
+    in
+    {
+      devShells.${system} = {
+        default = pkgs.mkShell {
+          buildInputs = [
+            pkgs_top500.python3
+            pkgs_top500.python3Packages.xlrd
+            pkgs_top500.python3Packages.matplotlib
+            pkgs_top500.python3Packages.pandas
+            pkgs_top500.python3Packages.mechanize
+          ];
+        };
+      };
+    };
+}