diff --git a/peps/pep-0838.rst b/peps/pep-0838.rst
index 39bb822d95c..5310ef7cfe5 100644
--- a/peps/pep-0838.rst
+++ b/peps/pep-0838.rst
@@ -128,7 +128,12 @@ documentation for this field. The field is not user-facing.
 Reference Implementation
 ========================
 
-Reference implementations will be provided for uv, virtualenv, and CPython.
+Reference implementations are available for uv, virtualenv and CPython:
+
+- `uv <https://github.com/astral-sh/uv/pull/20569>`__
+- `virtualenv <https://github.com/pypa/virtualenv/pull/3193>`__
+- :mod:`venv` in :cpython-pr:`154378`
+- An optional CPython startup check in :cpython-pr:`154381`
 
 
 .. _pep838-appendix: