diff --git a/build-project.py b/build-project.py
index 5f7cc204218..2108669ca6f 100755
--- a/build-project.py
+++ b/build-project.py
@@ -7,13 +7,14 @@
 from os import PathLike
 from pathlib import Path
 from types import SimpleNamespace
+from typing import Union
 
 
 class EnvBuilder(venv.EnvBuilder):
     """A subclass of venv.EnvBuilder that exposes the python executable command."""
 
     def ensure_directories(
-        self, env_dir: str | bytes | PathLike[str] | PathLike[bytes]
+        self, env_dir: Union[str, bytes, "PathLike[str]", "PathLike[bytes]"]
     ) -> SimpleNamespace:
         context = super().ensure_directories(env_dir)
         self.env_exec_cmd = context.env_exec_cmd
diff --git a/news/13182.trivial.rst b/news/13182.trivial.rst
new file mode 100644
index 00000000000..c2a4d5b79e5
--- /dev/null
+++ b/news/13182.trivial.rst
@@ -0,0 +1 @@
+Enabling linting rule FA102.
diff --git a/pyproject.toml b/pyproject.toml
index 5d8dde277be..ed79101bf06 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -184,6 +184,7 @@ select = [
     "W",
     "RUF100",
     "UP",
+    "FA102",  # future-required-type-annotation
 ]
 
 [tool.ruff.lint.isort]