diff --git a/.envrc b/.envrc
new file mode 100644
index 000000000..3550a30f2
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index 219c4eda8..4b4fdbbf6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -146,6 +146,7 @@ result
 result-*
 
 .vscode/
+.direnv/
 
 # clangd and possibly more
 .cache/