diff --git a/.envrc b/.envrc
index 3550a30..39fe4db 100644
--- a/.envrc
+++ b/.envrc
@@ -1 +1,18 @@
-use flake
+#!/usr/bin/env bash
+
+if ! has nix_direnv_version || ! nix_direnv_version 3.1.0; then
+  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.1.0/direnvrc" "sha256-yMJ2OVMzrFaDPn7q8nCBZFRYpL/f0RcHzhmw/i6btJM="
+fi
+
+export DEVENV_IN_DIRENV_SHELL=true
+export DIRENV_NIX_ACCEPT_FLAKE_CONFIG=true
+
+watch_file flake.nix
+watch_file flake.lock
+
+mkdir -p "$PWD/.devenv"
+DEVENV_ROOT_FILE="$PWD/.devenv/root"
+printf %s "$PWD" >"$DEVENV_ROOT_FILE"
+if ! use flake . --override-input devenv-root "file+file://$DEVENV_ROOT_FILE"; then
+  echo "devenv could not be built. The devenv environment was not loaded. Make the necessary changes to devenv.nix and hit enter to try again." >&2
+fi