add changelog entry for the fix in #428
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index d3f1c9a..2b38f3f 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -40,6 +40,8 @@
Changes:
^^^^^^^^
+- Fixed segmentation fault when using keys larger than 4096-bit to sign data.
+ [`#428 <https://github.com/pyca/pyopenssl/pull/428>`_]
- Fixed ``AttributeError`` when :meth:`OpenSSL.SSL.Connection.get_app_data` was called before setting any app data.
[`#304 <https://github.com/pyca/pyopenssl/pull/304>`_]
- Added :func:`OpenSSL.crypto.dump_publickey` to dump :class:`OpenSSL.crypto.PKey` objects that represent public keys, and :func:`OpenSSL.crypto.load_publickey` to load such objects from serialized representations.