diff --git a/.bin/bump.py b/.bin/bump.py
new file mode 100755
index 0000000..df02034
--- /dev/null
+++ b/.bin/bump.py
@@ -0,0 +1,154 @@
+#!/usr/bin/env -S uv run --quiet
+# /// script
+# requires-python = ">=3.13"
+# dependencies = [
+#     "bumpver",
+#     "typer",
+# ]
+# ///
+from __future__ import annotations
+
+import re
+import subprocess
+import sys
+from enum import Enum
+from pathlib import Path
+from typing import Annotated
+from typing import Any
+
+import typer
+from typer import Option
+
+
+class CommandRunner:
+    def run_command(self, command: str) -> tuple[bool, str]:
+        print(f"about to run command: {command}")
+        try:
+            output = subprocess.check_output(
+                command, shell=True, text=True, stderr=subprocess.STDOUT
+            ).strip()
+            return True, output
+        except subprocess.CalledProcessError as e:
+            return False, e.output
+
+    def _build_command_args(self, **params: Any) -> str:
+        args = []
+        for key, value in params.items():
+            key = key.replace("_", "-")
+            if isinstance(value, bool) and value:
+                args.append(f"--{key}")
+            elif value is not None:
+                args.extend([f"--{key}", str(value)])
+        return " ".join(args)
+
+    def run(self, cmd: str, name: str, *args: str, **params: Any) -> str:
+        command_parts = [cmd, name]
+        command_parts.extend(args)
+        if params:
+            command_parts.append(self._build_command_args(**params))
+        success, output = self.run_command(" ".join(command_parts))
+        if not success:
+            print(f"{cmd} failed: {output}", file=sys.stderr)
+            raise typer.Exit(1)
+        return output
+
+
+_runner = CommandRunner()
+
+
+def bumpver(name: str, *args: str, **params: Any) -> str:
+    return _runner.run("bumpver", name, *args, **params)
+
+
+def git(name: str, *args: str, **params: Any) -> str:
+    return _runner.run("git", name, *args, **params)
+
+
+def gh(name: str, *args: str, **params: Any) -> str:
+    return _runner.run("gh", name, *args, **params)
+
+
+def update_CHANGELOG(new_version: str) -> None:
+    repo_url = git("remote", "get-url", "origin").strip().replace(".git", "")
+    changelog = Path("CHANGELOG.md")
+
+    content = changelog.read_text()
+
+    content = re.sub(
+        r"## \[Unreleased\]",
+        f"## [{new_version}]",
+        content,
+        count=1,
+    )
+    content = re.sub(
+        rf"## \[{new_version}\]",
+        f"## [Unreleased]\n\n## [{new_version}]",
+        content,
+        count=1,
+    )
+    content += f"[{new_version}]: {repo_url}/releases/tag/v{new_version}\n"
+    content = re.sub(
+        r"\[unreleased\]: .*\n",
+        f"[unreleased]: {repo_url}/compare/v{new_version}...HEAD\n",
+        content,
+        count=1,
+    )
+
+    changelog.write_text(content)
+
+    git("add", ".")
+    git("commit", "-m", f"'update CHANGELOG for version {new_version}'")
+
+
+class Version(str, Enum):
+    MAJOR = "major"
+    MINOR = "minor"
+    PATCH = "patch"
+
+
+class Tag(str, Enum):
+    DEV = "dev"
+    ALPHA = "alpha"
+    BETA = "beta"
+    RC = "rc"
+    FINAL = "final"
+
+
+def main(
+    version: Annotated[
+        Version, Option("--version", "-v", help="The tag to add to the new version")
+    ],
+    tag: Annotated[Tag, Option("--tag", "-t", help="The tag to add to the new version")]
+    | None = None,
+):
+    latest_tag = git("tag", "--sort=-creatordate", "|", "head -n 1")
+    changes = git(
+        "log", f"{latest_tag}..HEAD", "--pretty=format:'- `%h`: %s'", "--reverse"
+    )
+    new_version = re.search(
+        r"New Version: (.+)", bumpver("update", dry=True, tag=tag, **{version: True})
+    )
+    if new_version is None:
+        new_version = typer.prompt(
+            "Failed to get the new version from `bumpver`. Please enter it manually"
+        )
+    else:
+        new_version = new_version.group(1)
+    release_branch = f"release-v{new_version}"
+    git("checkout", "-b", release_branch)
+    bumpver("update", tag=tag, **{version: True})
+    title = git("log", "-1", "--pretty=%s")
+    update_CHANGELOG(new_version)
+    git("push", "--set-upstream", "'origin'", f"'{release_branch}'")
+    gh(
+        "pr",
+        "create",
+        "--base 'main'",
+        f"--head '{release_branch}'",
+        f"--title '{title}'",
+        f"--body '{changes}'",
+    )
+
+
+if __name__ == "__main__":
+    typer.run(main)
diff --git a/.just/project.just b/.just/project.just
new file mode 100644
index 0000000..862a35d
--- /dev/null
+++ b/.just/project.just
@@ -0,0 +1,15 @@
+set unstable := true
+
+justfile := justfile_directory() + "/.just/project.just"
+
+[private]
+default:
+    @just --list --justfile {{ justfile }}
+
+[private]
+fmt:
+    @just --fmt --justfile {{ justfile }}
+
+[no-cd]
+@bump *ARGS:
+    {{ justfile_directory() }}/.bin/bump.py {{ ARGS }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b0c0b8..85d867a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,8 @@ and this project attempts to adhere to [Semantic Versioning](https://semver.org/
 
 ## [Unreleased]
 
+## [0.3.0]
+
 ### Added
 
 - Added `SyncGitHubAPI`, a synchronous implementation of `gidgethub.abc.GitHubAPI` for Django applications running under WSGI. Maintains the familiar gidgethub interface without requiring async/await.
@@ -58,7 +60,8 @@ and this project attempts to adhere to [Semantic Versioning](https://semver.org/
 
 - Josh Thomas <josh@joshthomas.dev> (maintainer)
 
-[unreleased]: https://github.com/joshuadavidthomas/django-github-app/compare/v0.2.1...HEAD
+[unreleased]: https://github.com/joshuadavidthomas/django-github-app/compare/v0.3.0...HEAD
 [0.1.0]: https://github.com/joshuadavidthomas/django-github-app/releases/tag/v0.1.0
 [0.2.0]: https://github.com/joshuadavidthomas/django-github-app/releases/tag/v0.2.0
 [0.2.1]: https://github.com/joshuadavidthomas/django-github-app/releases/tag/v0.2.1
+[0.3.0]: https://github.com/joshuadavidthomas/django-github-app/releases/tag/v0.3.0
diff --git a/Justfile b/Justfile
index e243bfa..1d75c33 100644
--- a/Justfile
+++ b/Justfile
@@ -2,6 +2,7 @@ set dotenv-load := true
 set unstable := true
 
 mod docs ".just/documentation.just"
+mod project ".just/project.just"
 
 [private]
 default:
diff --git a/pyproject.toml b/pyproject.toml
index 4f36e97..bb8c61f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,7 +70,7 @@ Source = "https://github.com/joshuadavidthomas/django-github-app"
 [tool.bumpver]
 commit = true
 commit_message = ":bookmark: bump version {old_version} -> {new_version}"
-current_version = "0.2.1"
+current_version = "0.3.0"
 push = false  # set to false for CI
 tag = false
 version_pattern = "MAJOR.MINOR.PATCH[PYTAGNUM]"
diff --git a/src/django_github_app/__init__.py b/src/django_github_app/__init__.py
index e9bea68..4ab2cda 100644
--- a/src/django_github_app/__init__.py
+++ b/src/django_github_app/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import annotations
 
-__version__ = "0.2.1"
+__version__ = "0.3.0"
diff --git a/tests/test_version.py b/tests/test_version.py
index e1f5341..e0318b9 100644
--- a/tests/test_version.py
+++ b/tests/test_version.py
@@ -4,4 +4,4 @@
 
 
 def test_version():
-    assert __version__ == "0.2.1"
+    assert __version__ == "0.3.0"