diff --git a/CHANGELOG.md b/CHANGELOG.md
index 63cfcce..a29b4b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # 1.2.0
 
-Release Date: TBD
+Release Date: 2026-06-11
 
 - Support free threaded Python. #654, #686
 - Dropped support for Python 3.9. #656
diff --git a/msgpack/__init__.py b/msgpack/__init__.py
index f7346d0..f053abd 100644
--- a/msgpack/__init__.py
+++ b/msgpack/__init__.py
@@ -5,7 +5,7 @@ from .exceptions import *  # noqa: F403
 from .ext import ExtType, Timestamp
 
 version = (1, 2, 0)
-__version__ = "1.2.0rc1"
+__version__ = "1.2.0"
 
 
 if os.environ.get("MSGPACK_PUREPYTHON"):