diff --git a/README.md b/README.md
index 090686b6..9c3def62 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Supports Python 3.9 to 3.12 and PyPy3 7.3+
 
 ## Sponsors
 
--   [Iterative](https://iterative.ai/)
+- [Microsoft](https://github.com/microsoft)
 
 Add your name and link here, [become a
 sponsor](https://github.com/sponsors/jdavid).
diff --git a/SPONSORS.md b/SPONSORS.md
index 35e320aa..142df7b2 100644
--- a/SPONSORS.md
+++ b/SPONSORS.md
@@ -1,11 +1,13 @@
 Friends of pygit2:
 
-- [Iterative](https://iterative.ai/)
+- [Microsoft](https://github.com/microsoft)
 
 Add your name to the list,
 [become a friend of pygit2](https://github.com/sponsors/jdavid).
 
 Past sponsors:
 
+- [Iterative](https://iterative.ai/)
 - [SourceHut](https://sourcehut.org)
+- [GitHub](https://github.com/github)
 - [omniproc](https://github.com/omniproc)
diff --git a/docs/index.rst b/docs/index.rst
index 9349400a..4c10ddce 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -19,7 +19,7 @@ Links
 Sponsors
 =====================================
 
-- `Iterative <https://iterative.ai/>`_
+- `Microsoft <https://github.com/microsoft>`_
 
 Add your name and link here, `become a sponsor <https://github.com/sponsors/jdavid>`_.