diff --git a/docs/packages/zstandard.yaml b/docs/packages/zstandard.yaml
new file mode 100644
index 0000000..56be8d6
--- /dev/null
+++ b/docs/packages/zstandard.yaml
@@ -0,0 +1,7 @@
+package-name: zstandard
+source-code: https://github.com/indygreg/python-zstandard
+license: BSD-3-Clause
+versions:
+  - version: 0.25.0
+    patched:
+    comment: We backport a commit which removes cpython-freethreading from the cibuildwheel options in pyproject.toml, since we're using a newer version of cibuildwheel that already handles this case in the build matrix.