diff --git a/.gitignore b/.gitignore
index d6d8b99f6023c..b170dca88fa95 100644
--- a/.gitignore
+++ b/.gitignore
@@ -86,4 +86,13 @@ package.json
 ## Rustdoc GUI tests
 tests/rustdoc-gui/src/**.lock
 
+## direnv
+.envrc
+.direnv/
+
+## nix
+flake.nix
+flake.lock
+default.nix
+
 # Before adding new lines, see the comment at the top.