diff --git a/.envrc b/.envrc
index 1d953f4..c325083 100644
--- a/.envrc
+++ b/.envrc
@@ -1 +1,5 @@
-use nix
+if ! has nix_direnv_version || ! nix_direnv_version 1.4.0; then
+  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/1.4.0/direnvrc" "sha256-4XfVDjv75eHMWN4G725VW7BoOV4Vl3vAabK4YXIfPyE="
+fi
+
+use flake
diff --git a/.gitignore b/.gitignore
index ea8c4bf..6abfe1b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /target
+/.direnv