diff --git a/projects/packages/changelogger/changelog/fix-changelogger-amend-default-link b/projects/packages/changelogger/changelog/fix-changelogger-amend-default-link
new file mode 100644
index 0000000000000..09dc0989a5b9c
--- /dev/null
+++ b/projects/packages/changelogger/changelog/fix-changelogger-amend-default-link
@@ -0,0 +1,4 @@
+Significance: patch
+Type: fixed
+
+When amending, do not preserve a default link. We'll want the link to be updated to the new default.
diff --git a/projects/packages/changelogger/src/WriteCommand.php b/projects/packages/changelogger/src/WriteCommand.php
index 900167f64d328..1a23cbdf38090 100644
--- a/projects/packages/changelogger/src/WriteCommand.php
+++ b/projects/packages/changelogger/src/WriteCommand.php
@@ -412,7 +412,11 @@ protected function doAmendChanges( InputInterface $input, OutputInterface $outpu
 					$input->setOption( 'epilogue', $latest->getEpilogue() );
 				}
 				if ( $input->getOption( 'link' ) === null ) {
-					$input->setOption( 'link', $latest->getLink() );
+					$oldLink     = $latest->getLink();
+					$defaultLink = $changelog->getLatestEntry() ? Config::link( $changelog->getLatestEntry()->getVersion(), $latest->getVersion() ) : null;
+					if ( $oldLink !== $defaultLink ) {
+						$input->setOption( 'link', $latest->getLink() );
+					}
 				}
 			} else {
 				$output->writeln( 'No version to amend, ignoring --amend.', OutputInterface::VERBOSITY_DEBUG );
diff --git a/projects/packages/changelogger/tests/php/tests/src/WriteCommandTest.php b/projects/packages/changelogger/tests/php/tests/src/WriteCommandTest.php
index ebb2e105351a6..1ea6e7d0c1f6d 100644
--- a/projects/packages/changelogger/tests/php/tests/src/WriteCommandTest.php
+++ b/projects/packages/changelogger/tests/php/tests/src/WriteCommandTest.php
@@ -749,6 +749,54 @@ public function provideExecute() {
 				true,
 				"# Changelog\n\n## 1.0.1 - $date\n\nPrologue for v1.0.1\n\n### Added\n- Stuff.\n- ZZZ.\n\n### Removed\n- Other stuff.\n- Broken stuff.\n\nEpilogue for v1.0.1\n\n## 1.0.0 - 2021-02-23\n\n- Initial release.\n",
 			),
+			'Amend, beta to release'                       => array(
+				array( '--amend' => true ),
+				array(
+					'composer.json' => array( 'link-template' => 'https://example.org/diff/${old}..${new}' ),
+					'changes'       => array(),
+					'changelog'     => "# Changelog\n\n## [1.0.1-beta] - $date\n\nPrologue for v1.0.1\n\n### Added\n- New stuff.\n- Stuff.\n- ZZZ.\n\n### Removed\n- Other stuff.\n\n### Fixed\n- Broken stuff.\n\nEpilogue for v1.0.1\n\n## 1.0.0 - 2021-02-23\n\n- Initial release.\n\n[1.0.1-beta]: https://example.org/new-link\n",
+				),
+				array( 'Y' ),
+				0,
+				array(
+					'{^No changes were found! Proceed\? \[y/N\] $}m',
+				),
+				true,
+				"# Changelog\n\n## [1.0.1] - $date\n\nPrologue for v1.0.1\n\n### Added\n- New stuff.\n- Stuff.\n- ZZZ.\n\n### Removed\n- Other stuff.\n\n### Fixed\n- Broken stuff.\n\nEpilogue for v1.0.1\n\n## 1.0.0 - 2021-02-23\n\n- Initial release.\n\n[1.0.1]: https://example.org/new-link\n",
+			),
+			'Amend, ignore default link'                   => array(
+				array( '--amend' => true ),
+				array(
+					'composer.json' => array( 'link-template' => 'https://example.org/diff/${old}..${new}' ),
+					'changes'       => array(),
+					'changelog'     => "# Changelog\n\n## [1.0.1-beta] - $date\n\nPrologue for v1.0.1\n\n### Added\n- New stuff.\n- Stuff.\n- ZZZ.\n\n### Removed\n- Other stuff.\n\n### Fixed\n- Broken stuff.\n\nEpilogue for v1.0.1\n\n## 1.0.0 - 2021-02-23\n\n- Initial release.\n\n[1.0.1-beta]: https://example.org/diff/1.0.0..1.0.1-beta\n",
+				),
+				array( 'Y' ),
+				0,
+				array(
+					'{^No changes were found! Proceed\? \[y/N\] $}m',
+				),
+				true,
+				"# Changelog\n\n## [1.0.1] - $date\n\nPrologue for v1.0.1\n\n### Added\n- New stuff.\n- Stuff.\n- ZZZ.\n\n### Removed\n- Other stuff.\n\n### Fixed\n- Broken stuff.\n\nEpilogue for v1.0.1\n\n## 1.0.0 - 2021-02-23\n\n- Initial release.\n\n[1.0.1]: https://example.org/diff/1.0.0..1.0.1\n",
+			),
+			'Amend, manually override default link'        => array(
+				array(
+					'--amend' => true,
+					'--link'  => 'https://example.org/new-link',
+				),
+				array(
+					'composer.json' => array( 'link-template' => 'https://example.org/diff/${old}..${new}' ),
+					'changes'       => array(),
+					'changelog'     => "# Changelog\n\n## [1.0.1-beta] - $date\n\nPrologue for v1.0.1\n\n### Added\n- New stuff.\n- Stuff.\n- ZZZ.\n\n### Removed\n- Other stuff.\n\n### Fixed\n- Broken stuff.\n\nEpilogue for v1.0.1\n\n## 1.0.0 - 2021-02-23\n\n- Initial release.\n\n[1.0.1-beta]: https://example.org/diff/1.0.0..1.0.1-beta\n",
+				),
+				array( 'Y' ),
+				0,
+				array(
+					'{^No changes were found! Proceed\? \[y/N\] $}m',
+				),
+				true,
+				"# Changelog\n\n## [1.0.1] - $date\n\nPrologue for v1.0.1\n\n### Added\n- New stuff.\n- Stuff.\n- ZZZ.\n\n### Removed\n- Other stuff.\n\n### Fixed\n- Broken stuff.\n\nEpilogue for v1.0.1\n\n## 1.0.0 - 2021-02-23\n\n- Initial release.\n\n[1.0.1]: https://example.org/new-link\n",
+			),
 
 			'--use-version invalid'                        => array(
 				array( '--use-version' => '2.0' ),
diff --git a/tools/cli/commands/build.js b/tools/cli/commands/build.js
index 41d25232bf875..1e85a759326f9 100644
--- a/tools/cli/commands/build.js
+++ b/tools/cli/commands/build.js
@@ -612,6 +612,15 @@ async function buildProject( t ) {
 				() => false
 			)
 		) {
+			// If we're building changelogger itself, we need to install before we can run it.
+			if ( t.project === 'packages/changelogger' ) {
+				await t.execa( 'composer', await getInstallArgs( t.project, 'composer', t.argv ), {
+					cwd: t.cwd,
+					stdio: [ 'ignore', 'inherit', 'inherit' ],
+					buffer: false,
+				} );
+			}
+
 			let prerelease = 'alpha';
 			if ( composerJson.extra?.[ 'dev-releases' ] ) {
 				const m = (