diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 681320f99..7650042be 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,15 +12,15 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['8.2', '8.1', '7.4', '7.3', '7.2', '7.1', '7.0', '5.6']
+        php: ['8.3', '8.1', '8.0', '7.4']
         coverage: [false]
         random: [false]
         include:
-          - php: '8.0'
+          - php: '8.2'
             coverage: true
-          - php: '8.0'
+          - php: '8.2'
             random: true
-          - php: '8.3'
+          - php: '8.4'
             experimental: true
 
     steps:
diff --git a/composer.json b/composer.json
index f8d52ee9a..c7a0ae994 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
   "description": "A collection of AMP tools making it easier to publish and host AMP pages with PHP.",
   "license": "Apache-2.0",
   "require": {
-    "php": "^5.6 || ^7.0 || ^8.0",
+    "php": "^7.4 || ^8.0",
     "ext-dom": "*",
     "ext-filter": "*",
     "ext-iconv": "*",