diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6516ec6..e3a525f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13.0-beta - 3.13']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
diff --git a/CHANGELOG.md b/CHANGELOG.md
index cb5da07..11aa94d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ## Unreleased
+
+## [2.0rc1](https://pypi.org/project/multimethod/2.0rc1/) - 2024-10-13
 ### Removed
 * Resolving ambiguity using positional distance
 * `overload` is redundant with instance checking
diff --git a/pyproject.toml b/pyproject.toml
index 5dc1291..7076f78 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "multimethod"
-version = "1.12"
+version = "2.0rc1"
 description = "Multiple argument dispatching."
 readme = "README.md"
 requires-python = ">=3.9"
@@ -30,7 +30,6 @@ Issues = "https://github.com/coady/multimethod/issues"
 
 [tool.ruff]
 line-length = 100
-extend-include = ["*.ipynb"]
 
 [tool.ruff.lint]
 ignore = ["F811"]