diff --git a/CHANGES.rst b/CHANGES.rst
index bbae426..e9c6da1 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,7 +3,7 @@ Change History
 ==============
 
 
-0.12.1 (TBD)
+0.12.1 (2023-12-10)
 -------------------
 
 - Bug fixes:
diff --git a/README-dist.rst b/README-dist.rst
index 74d29d8..01bf7d6 100644
--- a/README-dist.rst
+++ b/README-dist.rst
@@ -169,6 +169,18 @@ a `Ruby gem`_.
 Change History
 ==============
 
+
+0.12.1 (2023-12-10)
+-------------------
+
+- Bug fixes:
+
+- `Issue #84`_: PathSpec.match_file() returns None since 0.12.0.
+
+
+.. _`Issue #84`: https://github.com/cpburnz/python-pathspec/issues/84
+
+
 0.12.0 (2023-12-09)
 -------------------
 
@@ -179,7 +191,7 @@ Major changes:
 
 API changes:
 
-- Signature of protected method `pathspec.pathspec.PathSpec._match_file()` has been changed from `def _match_file(patterns: Iterable[Pattern], file: str) -> bool` to `def _match_file(patterns: Iterable[Tuple[int, Pattern]], file: str) -> Tuple[Optional[bool], Optional[int]]`.
+- Signature of protected method `pathspec.pathspec.PathSpec._match_file()` (with a leading underscore) has been changed from `def _match_file(patterns: Iterable[Pattern], file: str) -> bool` to `def _match_file(patterns: Iterable[Tuple[int, Pattern]], file: str) -> Tuple[Optional[bool], Optional[int]]`.
 
 New features:
 
diff --git a/pathspec/_meta.py b/pathspec/_meta.py
index 173c4a4..4d8c89d 100644
--- a/pathspec/_meta.py
+++ b/pathspec/_meta.py
@@ -55,4 +55,4 @@
 	"kurtmckee <https://github.com/kurtmckee>",
 ]
 __license__ = "MPL 2.0"
-__version__ = "0.12.1.dev1"
+__version__ = "0.12.1"