diff --git a/REPO.bazel b/REPO.bazel
index 641f72917fff9b..78cdb523d40e94 100644
--- a/REPO.bazel
+++ b/REPO.bazel
@@ -1,6 +1,6 @@
 ignore_directories([
     "**/build",  # avoid BUILD/build mess: https://github.com/docker/desktop-feedback/issues/251
-    ".cache",  # in-workspace cache: GitLab jobs, GitHub actions
+    ".*",  # hidden root directories: .cache, .claude, .cursor, .dda, .github, .gitlab, etc.
     "bazel-*",  # bazel convenience symlinks: suddenly caused issues inside arm64 Linux containers
     "target",  # cargo build creates it where Cargo.toml lives
 ])