diff --git a/.envrc b/.envrc
index 3550a30f2d..a98c03b2c6 100644
--- a/.envrc
+++ b/.envrc
@@ -1 +1,5 @@
+watch_file pyproject.toml uv.lock
+watch_file ui-tui/package-lock.json ui-tui/package.json
+watch_file nix/
+
 use flake
diff --git a/.gitignore b/.gitignore
index baa31a543c..b3cc8bfffa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,4 +57,5 @@ mini-swe-agent/
 
 # Nix
 .direnv/
+.nix-stamps/
 result