diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000000..3550a30f2d
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index b883e079d1..ac9765d10a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -113,6 +113,9 @@ prime/
 *_source.tar.bz2
 .DS_Store
 
+# nix-direnv generated files
+.direnv/
+
 # Make evidence files
 /.make_evidence