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 65f9569..76b0293 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
-result
-result-*
-.pre-commit-config.yaml
 .ccls-cache
+.direnv
+.pre-commit-config.yaml
 build
+result
+result-*