diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6fdd837b..9b165bc4 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -29,12 +29,10 @@ jobs:
                 coverage-extension: ["none"]
                 # Add more specific tests
                 include:
-                  - { php-version: '5.3', experimental: false, os: ubuntu-latest, php-extensions: 'bcmath, imagick, gd', coverage-extension: 'xdebug' }
-                  - { php-version: '5.4', experimental: false, os: ubuntu-latest, php-extensions: 'bcmath, imagick, gd', coverage-extension: 'xdebug' }
                   - { php-version: '5.5', experimental: false, os: ubuntu-latest, php-extensions: 'bcmath, imagick, gd', coverage-extension: 'xdebug' }
                   - { php-version: '5.6', experimental: false, os: ubuntu-latest, php-extensions: 'bcmath, imagick, gd', coverage-extension: 'xdebug' }
                   - { php-version: '7.0', experimental: false, os: ubuntu-latest, php-extensions: 'bcmath, imagick, gd', coverage-extension: 'xdebug' }
-                  - { php-version: '8.2', experimental: false, os: macos-latest, php-extensions: 'bcmath, imagick, gd', coverage-extension: 'none' }
+                  #- { php-version: '8.2', experimental: false, os: macos-latest, php-extensions: 'bcmath, imagick, gd', coverage-extension: 'none' }
                   - { php-version: '8.2', experimental: false, os: windows-latest, php-extensions: 'bcmath, imagick, gd', coverage-extension: 'none' }
                   - { php-version: '8.3', experimental: true, os: ubuntu-latest, php-extensions: 'bcmath, imagick, gd', coverage-extension: 'pcov' }
                   - { php-version: 'nightly', experimental: true, os: ubuntu-latest, php-extensions: 'bcmath, imagick, gd', coverage-extension: 'pcov' }
diff --git a/CHANGELOG.TXT b/CHANGELOG.TXT
index f936db22..75e96172 100644
--- a/CHANGELOG.TXT
+++ b/CHANGELOG.TXT
@@ -2,6 +2,7 @@
 	- Fix security issue.
 	- [BREAKING CHANGE] The tcpdf HTML tag syntax has changed, see example_049.php.
 	- New K_ALLOWED_TCPDF_TAGS configuration constant to set the allowed methods for the tcdpf HTML tag.
+	- Raised minimum PHP version to PHP 5.5.0.
 
 6.6.5 (2023-09-06)
 	- Fix corrupted file.
diff --git a/composer.json b/composer.json
index 7fe8bfcb..0d8d5180 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0"
+        "php": ">=5.5.0"
     },
     "autoload": {
         "classmap": [