diff --git a/.github/workflows/composer-require-checker.yml b/.github/workflows/composer-require-checker.yml
index c6c790de..3dccb976 100644
--- a/.github/workflows/composer-require-checker.yml
+++ b/.github/workflows/composer-require-checker.yml
@@ -25,6 +25,6 @@ concurrency:
 jobs:
   composer-require-checker:
     uses: yiisoft/actions/.github/workflows/composer-require-checker.yml@master
-  with:
-    php: >-
-      ['8.1', '8.2', '8.3', '8.4', '8.5']
+    with:
+      php: >-
+        ['8.1', '8.2', '8.3', '8.4', '8.5']
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 88b20457..36b65fcf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 - Enh #294: Explicitly import classes and functions in "use" section (@mspirkov)
 - Enh #296: Add PHP 8.5 support (@terabytesoftw)
 - Enh #297: Remove unnecessary files from Composer package (@mspirkov)
+- Enh #298: Update Bootstrap from 5.0.0-beta to 5.3.8 (@rossaddison)
 
 ## 1.0.0 April 13, 2025
 
diff --git a/src/Assets/BootstrapCdnAsset.php b/src/Assets/BootstrapCdnAsset.php
index 24bd813f..c52c8fc4 100644
--- a/src/Assets/BootstrapCdnAsset.php
+++ b/src/Assets/BootstrapCdnAsset.php
@@ -22,8 +22,8 @@ final class BootstrapCdnAsset extends AssetBundle
      */
     public array $css = [
         [
-            'https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/css/bootstrap.min.css',
-            'integrity' => 'sha384-giJF6kkoqNQ00vy+HMDP7azOuL0xtbfIcaT9wjKHr8RbDVddVHyTfAAsrekwKmP1',
+            'https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css',
+            'integrity' => 'sha384-sRIl4kxILFvY47J16cr9ZwB07vP4J8+LH7qKQnuqkuIAvNWLzeN8tE5YBujZqJLB',
             'crossorigin' => 'anonymous',
         ],
     ];
@@ -33,8 +33,8 @@ final class BootstrapCdnAsset extends AssetBundle
      */
     public array $js = [
         [
-            'https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/js/bootstrap.bundle.min.js',
-            'integrity' => 'sha384-ygbV9kiqUc6oa4msXn9868pTtWMgiQaeYH7/t7LECLbyPA2x65Kgf80OJFdroafW',
+            'https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/js/bootstrap.bundle.min.js',
+            'integrity' => 'sha384-FKyoEForCGlyvwx9Hj09JcYn3nv7wiPVlz7YYwJrWVcXK/BmnVDxM+D2scQbITxI',
             'crossorigin' => 'anonymous',
         ],
     ];