diff --git a/config/ext.json b/config/ext.json
index ed55386e..c9ecf0ec 100644
--- a/config/ext.json
+++ b/config/ext.json
@@ -17,6 +17,10 @@
         "type": "external",
         "source": "apcu"
     },
+    "ast": {
+        "type": "external",
+        "source": "ast"
+    },
     "bcmath": {
         "type": "builtin"
     },
diff --git a/config/source.json b/config/source.json
index 283561ca..53bb3913 100644
--- a/config/source.json
+++ b/config/source.json
@@ -26,6 +26,16 @@
             "path": "LICENSE"
         }
     },
+    "ast": {
+        "type": "url",
+        "url": "https://pecl.php.net/get/ast",
+        "path": "php-src/ext/ast",
+        "filename": "ast.tgz",
+        "license": {
+            "type": "file",
+            "path": "LICENSE"
+        }
+    },
     "brotli": {
         "type": "ghtar",
         "repo": "google/brotli",
diff --git a/src/globals/ext-tests/ast.php b/src/globals/ext-tests/ast.php
new file mode 100644
index 00000000..4e53c872
--- /dev/null
+++ b/src/globals/ext-tests/ast.php
@@ -0,0 +1,5 @@
+<?php
+
+declare(strict_types=1);
+
+assert(function_exists('ast\parse_code'));
diff --git a/src/globals/test-extensions.php b/src/globals/test-extensions.php
index 6836cc8b..aacd40c5 100644
--- a/src/globals/test-extensions.php
+++ b/src/globals/test-extensions.php
@@ -24,6 +24,7 @@
     'macos-14',
     // 'macos-13',
     'ubuntu-latest',
+    'windows-latest',
 ];
 
 // whether enable thread safe
@@ -39,8 +40,8 @@
 
 // If you want to test your added extensions and libs, add below (comma separated, example `bcmath,openssl`).
 $extensions = match (PHP_OS_FAMILY) {
-    'Linux', 'Darwin' => 'openssl',
-    'Windows' => 'openssl',
+    'Linux', 'Darwin' => 'ast',
+    'Windows' => 'ast',
 };
 
 // If you want to test lib-suggests feature with extension, add them below (comma separated, example `libwebp,libavif`).