diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..a47b790
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+if [[ $(type -t use_flake) != function ]]; then
+    echo "ERROR: direnv's use_flake function missing. update direnv to v2.30.0 or later." && exit 1
+fi
+use flake
+dotenv
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..92b2793
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.direnv
diff --git a/flake.nix b/flake.nix
index 3fa48d6..bd79f4a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -5,8 +5,9 @@
   };
 
   outputs =
-    { self, flake-parts, ... }:
-    flake-parts.lib.mkFlake { inherit self; } {
+    inputs@{ flake-parts, ... }:
+    # https://flake.parts/module-arguments.html
+    flake-parts.lib.mkFlake { inherit inputs; } {
       flake = {
         # Put your original flake attributes here.
       };