diff --git a/.github/RELEASE_SETUP.md b/.github/RELEASE_SETUP.md
index d5112ae..48561b4 100644
--- a/.github/RELEASE_SETUP.md
+++ b/.github/RELEASE_SETUP.md
@@ -53,10 +53,10 @@ When a PR is merged into `main` or `master`, the release workflow will:
 1. Parse the PR title using Conventional Commit style.
    - Required ticket format: `type: [FEEDS-1234] description`
    - Keep `feat`/`fix`/`bug` at the beginning of the title
-2. Decide the bump type:
+2. Decide the bump type from the PR title (the body is not scanned):
    - `feat:` => minor
    - `fix:` or `bug:` => patch
-   - `feat!:` / `fix!:` / `BREAKING CHANGE` => major
+   - `feat!:` / `fix!:` / `<type>(scope)!:` (the `!` marker) => major
 3. Update `composer.json` and `src/Constant.php` via `scripts/release/bump_version.php`
 4. Commit version files, create a `vX.Y.Z` tag, create a GitHub release
 5. Trigger Packagist update
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d7b3b00..a9bb496 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -71,13 +71,9 @@ jobs:
         if: github.event_name == 'pull_request' && steps.already_released.outputs.value != 'true'
         env:
           PR_TITLE: ${{ github.event.pull_request.title }}
-          PR_BODY: ${{ github.event.pull_request.body }}
         run: |
-          PR_BODY_FILE=$(mktemp)
-          printf '%s' "$PR_BODY" > "$PR_BODY_FILE"
           php scripts/release/bump_version.php \
             --title "$PR_TITLE" \
-            --body-file "$PR_BODY_FILE" \
             --output "$GITHUB_OUTPUT"
 
       - name: Determine and apply version bump (manual)
diff --git a/README.md b/README.md
index 28593f3..4a585d7 100644
--- a/README.md
+++ b/README.md
@@ -180,10 +180,10 @@ Releases are automated when a pull request is merged into `main` or `master`.
 - PR titles must follow Conventional Commit format (for example: `feat: ...`, `fix: ...`).
 - Ticket prefix is required in the subject: `type: [FEEDS-1234] description`.
 - Keep the commit type first so release automation can parse it.
-- Version bump is derived from PR title/body:
+- Version bump is derived from the PR title:
   - `feat:` => minor
   - `fix:` or `bug:` => patch
-  - `feat!:` / `fix!:` / `BREAKING CHANGE` => major
+  - `feat!:` / `fix!:` / `<type>(scope)!:` (the `!` marker) => major
 - Non-release types like `chore:`, `docs:`, `test:` do not create a release.
 - The release workflow updates `composer.json` and `src/Constant.php`, pushes a tag, creates a GitHub release, and triggers Packagist.
 
diff --git a/scripts/release/bump_version.php b/scripts/release/bump_version.php
index 70a1578..e4e7351 100644
--- a/scripts/release/bump_version.php
+++ b/scripts/release/bump_version.php
@@ -3,10 +3,9 @@
 declare(strict_types=1);
 
 /**
- * Computes next release version from PR title/body and updates version files.
+ * Computes next release version from the PR title and updates version files.
  * Usage:
- *   php scripts/release/bump_version.php --title "feat: add x" --body "..." --output "$GITHUB_OUTPUT"
- *   php scripts/release/bump_version.php --title "feat: add x" --body-file "/tmp/body.txt" --output "$GITHUB_OUTPUT"
+ *   php scripts/release/bump_version.php --title "feat: add x" --output "$GITHUB_OUTPUT"
  */
 final class ReleaseScriptException extends RuntimeException
 {
@@ -59,17 +58,12 @@ function findLatestSemverTag(): string
     return end($versions) ?: '0.0.0';
 }
 
-function determineBumpType(string $title, string $body): string
+function determineBumpType(string $title): string
 {
+    // Breaking changes are signalled only by the `!` marker in the title
+    // (e.g. `feat!:`). Free-text body/title prose is not trusted: a PR that
+    // merely mentions the major-bump phrase must not force a major bump.
     $title = trim($title);
-    $body = trim($body);
-
-    if (
-        preg_match('/BREAKING[ -]CHANGES?/i', $title) === 1
-        || preg_match('/BREAKING[ -]CHANGES?/i', $body) === 1
-    ) {
-        return 'major';
-    }
 
     if (preg_match('/^([a-z]+)(\([^)]+\))?(!)?:/i', $title, $matches) !== 1) {
         return 'none';
@@ -198,22 +192,7 @@ function writeOutputs(string $outputPath, array $values): void
     file_put_contents($outputPath, implode(PHP_EOL, $lines) . PHP_EOL, FILE_APPEND);
 }
 
-function resolveBody(array $argv): string
-{
-    $bodyFile = getArgValue($argv, 'body-file');
-    if ($bodyFile !== '') {
-        $raw = file_get_contents($bodyFile);
-        if ($raw === false) {
-            throw new ReleaseScriptException('Could not read body-file');
-        }
-        return $raw;
-    }
-
-    return getArgValue($argv, 'body');
-}
-
 $title = getArgValue($argv, 'title');
-$body = resolveBody($argv);
 $outputPath = getArgValue($argv, 'output');
 $manualBump = strtolower(trim(getArgValue($argv, 'manual-bump')));
 $useCurrentVersion = strtolower(trim(getArgValue($argv, 'use-current-version', 'false'))) === 'true';
@@ -243,7 +222,7 @@ function resolveBody(array $argv): string
     exit(0);
 }
 
-$bump = determineBumpType($title, $body);
+$bump = determineBumpType($title);
 if ($bump === 'none') {
     writeOutputs($outputPath, [
         'should_release' => 'false',