diff --git a/codex-rs/extensions/BUILD.bazel b/codex-rs/extensions/BUILD.bazel
new file mode 100644
index 0000000000..fe307472a4
--- /dev/null
+++ b/codex-rs/extensions/BUILD.bazel
@@ -0,0 +1,6 @@
+load("//:defs.bzl", "codex_rust_crate")
+
+codex_rust_crate(
+    name = "extensions",
+    crate_name = "codex_extensions",
+)