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 ebbed981e..7f40d0ba5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -115,6 +115,9 @@ prime/
 *_source.tar.bz2
 .DS_Store
 
+# nix-direnv generated files
+.direnv/
+
 # Make evidence files
 /.make_evidence