diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e16e58c..cc5d465 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,6 @@ jobs:
       fail-fast: false
       matrix:
         env:
-          - { php: 7.4, phpunit: 9 }
           - { php: 8.0, phpunit: 10 }
           - { php: 8.1, phpunit: 10 }
           - { php: 8.2, phpunit: 10 }
diff --git a/composer.json b/composer.json
index d774bbc..f0e2bd0 100644
--- a/composer.json
+++ b/composer.json
@@ -9,9 +9,8 @@
     "docs": "https://github.com/netlogix/XML-Processor/blob/main/README.md"
   },
   "require": {
-    "php": "^7.4 || ^8.0",
-    "ext-xmlreader": "*",
-    "symfony/polyfill-php80": ">=1.33.0"
+    "php": "^8.0",
+    "ext-xmlreader": "*"
   },
   "require-dev": {
     "behat/behat": "^3.12.0",
diff --git a/rector.php b/rector.php
index 185fb28..d435da5 100644
--- a/rector.php
+++ b/rector.php
@@ -13,7 +13,7 @@
         __DIR__ . '/tests',
     ])
     // uncomment to reach your current PHP version
-    ->withPhpVersion(PhpVersion::PHP_74)
+    ->withPhpVersion(PhpVersion::PHP_80)
     ->withSets([
         PHPUnitSetList::ANNOTATIONS_TO_ATTRIBUTES
     ])