diff --git a/CHANGES.rst b/CHANGES.rst
index 08b4b8cd..907ca357 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,7 +2,7 @@
  Changes
 =========
 
-3.0.0rc3 (unreleased)
+3.0.0rc3 (2023-09-12)
 =====================
 
 - Fix an intermittent error during process termination on some
diff --git a/src/greenlet/__init__.py b/src/greenlet/__init__.py
index f62caa27..bfabec4d 100644
--- a/src/greenlet/__init__.py
+++ b/src/greenlet/__init__.py
@@ -25,7 +25,7 @@
 ###
 # Metadata
 ###
-__version__ = '3.0.0rc3.dev0'
+__version__ = '3.0.0rc3'
 from ._greenlet import _C_API # pylint:disable=no-name-in-module
 
 ###