diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
new file mode 100644
index 000000000..22e92a405
--- /dev/null
+++ b/.github/workflows/prepare-release.yml
@@ -0,0 +1,64 @@
+name: Prepare release
+
+on:
+  workflow_dispatch:
+    inputs:
+      bump:
+        description: Version bump type
+        required: true
+        type: choice
+        options:
+          - patch
+          - minor
+          - major
+
+jobs:
+  prepare:
+    name: Bump version and open release PR
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write    # push release branch
+      pull-requests: write  # open draft PR
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0  # required to reach tag history
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.3"
+
+      - name: Bump version
+        id: version
+        run: |
+          gem install gem-release --no-document
+          gem bump --version ${{ inputs.bump }} --no-commit
+          NEW=$(ruby -e "require_relative 'lib/factory_bot/version'; puts FactoryBot::VERSION")
+          echo "new=$NEW" >> "$GITHUB_OUTPUT"
+
+      - name: Install dependencies
+        run: bundle install
+
+      - name: Update NEWS.md
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: bundle exec rake "release:update_changelog[${{ steps.version.outputs.new }}]"
+
+      - name: Push branch and open draft PR
+        env:
+          GH_TOKEN: ${{ github.token }}
+          NEW_VERSION: ${{ steps.version.outputs.new }}
+        run: |
+          BRANCH="release/v$NEW_VERSION"
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git checkout -b "$BRANCH"
+          git add lib/factory_bot/version.rb NEWS.md
+          git commit -m "Release v$NEW_VERSION"
+          git push origin "$BRANCH"
+          gh pr create \
+            --draft \
+            --base main \
+            --head "$BRANCH" \
+            --title "Release v$NEW_VERSION" \
+            --body "Bumps version to \`$NEW_VERSION\` and updates the changelog with merged PRs since the last release."
diff --git a/Rakefile b/Rakefile
index a5077b70f..f885eaf9d 100644
--- a/Rakefile
+++ b/Rakefile
@@ -8,6 +8,8 @@ require "standard/rake"
 
 Bundler::GemHelper.install_tasks(name: "factory_bot")
 
+Dir.glob("tasks/*.rake").each { |f| load f }
+
 desc "Default: run all specs and standard"
 task default: %w[all_specs standard]
 
diff --git a/tasks/release.rake b/tasks/release.rake
new file mode 100644
index 000000000..cf8cae1ae
--- /dev/null
+++ b/tasks/release.rake
@@ -0,0 +1,39 @@
+require "date"
+require "json"
+
+namespace :release do
+  desc "Update NEWS.md with merged PRs since the last release tag. Usage: rake release:update_changelog[VERSION]"
+  task :update_changelog, [:version] do |_, args|
+    version = args.fetch(:version) { abort "Usage: rake release:update_changelog[VERSION]" }
+
+    # Find the last release tag and when it was made
+    last_tag = `git tag --sort=-version:refname`.split.grep(/^v?[0-9]/).first
+    since_date = `git log -1 --format=%as #{last_tag}`.strip
+
+    # Collect merged PRs since that date via the GitHub CLI
+    raw = `gh pr list --state merged --base main --search "merged:>#{since_date}" --json number,title,author,url --limit 200`
+    prs = JSON.parse(raw)
+    pr_entries = prs
+      .map { |pr| "* #{pr["title"]} by @#{pr.dig("author", "login")} in [##{pr["number"]}](#{pr["url"]})" }
+      .join("\n")
+
+    news = File.read("NEWS.md")
+    today = Date.today.strftime("%B %-d, %Y")
+
+    # Extract and remove the Unreleased section (if present)
+    unreleased = ""
+    if news =~ /^## Unreleased\n(.*?)(?=^## )/m
+      unreleased = $1.strip
+      news = news.sub(/^## Unreleased\n.*?(?=^## )/m, "")
+    end
+
+    # Combine unreleased entries and merged PR entries
+    body = [unreleased, pr_entries].reject(&:empty?).join("\n")
+    new_section = "## #{version} (#{today})\n\n#{body}\n"
+
+    news.sub!(/^(# News\n+)/, "\\1#{new_section}\n")
+    File.write("NEWS.md", news)
+
+    puts "Updated NEWS.md for v#{version}"
+  end
+end