diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index bb8fa3d..9ff10ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,6 @@ result-*
 
 # pre-commit-hooks.nix
 .pre-commit-config.yaml
+
+# direnv
+.direnv/