diff --git a/composer.lock b/composer.lock
index 61ce3fdbc..37b94f3a5 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1055,6 +1055,59 @@
             },
             "time": "2025-03-07T19:44:14+00:00"
         },
+        {
+            "name": "mustache/mustache",
+            "version": "v3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/bobthecow/mustache.php.git",
+                "reference": "176b6b21d68516dd5107a63ab71b0050e518b7a4"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/bobthecow/mustache.php/zipball/176b6b21d68516dd5107a63ab71b0050e518b7a4",
+                "reference": "176b6b21d68516dd5107a63ab71b0050e518b7a4",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6"
+            },
+            "require-dev": {
+                "friendsofphp/php-cs-fixer": "~2.19.3",
+                "yoast/phpunit-polyfills": "^2.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Mustache\\": "src/"
+                },
+                "classmap": [
+                    "src/compat.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Justin Hileman",
+                    "email": "justin@justinhileman.info",
+                    "homepage": "http://justinhileman.com"
+                }
+            ],
+            "description": "A Mustache implementation in PHP.",
+            "homepage": "https://github.com/bobthecow/mustache.php",
+            "keywords": [
+                "mustache",
+                "templating"
+            ],
+            "support": {
+                "issues": "https://github.com/bobthecow/mustache.php/issues",
+                "source": "https://github.com/bobthecow/mustache.php/tree/v3.0.0"
+            },
+            "time": "2025-06-28T18:28:20+00:00"
+        },
         {
             "name": "nb/oxymel",
             "version": "v0.1.0",
@@ -3803,58 +3856,6 @@
             },
             "time": "2025-04-11T09:28:29+00:00"
         },
-        {
-            "name": "wp-cli/mustache",
-            "version": "v2.14.99",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/wp-cli/mustache.php.git",
-                "reference": "ca23b97ac35fbe01c160549eb634396183d04a59"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/wp-cli/mustache.php/zipball/ca23b97ac35fbe01c160549eb634396183d04a59",
-                "reference": "ca23b97ac35fbe01c160549eb634396183d04a59",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.6"
-            },
-            "replace": {
-                "mustache/mustache": "^2.14.2"
-            },
-            "require-dev": {
-                "friendsofphp/php-cs-fixer": "~2.19.3",
-                "yoast/phpunit-polyfills": "^2.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-0": {
-                    "Mustache": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Justin Hileman",
-                    "email": "justin@justinhileman.info",
-                    "homepage": "http://justinhileman.com"
-                }
-            ],
-            "description": "A Mustache implementation in PHP.",
-            "homepage": "https://github.com/bobthecow/mustache.php",
-            "keywords": [
-                "mustache",
-                "templating"
-            ],
-            "support": {
-                "source": "https://github.com/wp-cli/mustache.php/tree/v2.14.99"
-            },
-            "time": "2025-05-06T16:15:37+00:00"
-        },
         {
             "name": "wp-cli/mustangostang-spyc",
             "version": "0.6.3",
@@ -4536,19 +4537,19 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/wp-cli/wp-cli.git",
-                "reference": "2800ad0a66747a826ae4221b2f022f1df6779cb6"
+                "reference": "efc826a8553739fd005d06d17d665fbfe28b008a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/wp-cli/wp-cli/zipball/2800ad0a66747a826ae4221b2f022f1df6779cb6",
-                "reference": "2800ad0a66747a826ae4221b2f022f1df6779cb6",
+                "url": "https://api.github.com/repos/wp-cli/wp-cli/zipball/efc826a8553739fd005d06d17d665fbfe28b008a",
+                "reference": "efc826a8553739fd005d06d17d665fbfe28b008a",
                 "shasum": ""
             },
             "require": {
                 "ext-curl": "*",
+                "mustache/mustache": "^3.0.0",
                 "php": ">=7.2.24 || ^8.0",
                 "symfony/finder": ">2.7",
-                "wp-cli/mustache": "^2.14.99",
                 "wp-cli/mustangostang-spyc": "^0.6.3",
                 "wp-cli/php-cli-tools": "~0.12.4"
             },
@@ -4599,7 +4600,7 @@
                 "issues": "https://github.com/wp-cli/wp-cli/issues",
                 "source": "https://github.com/wp-cli/wp-cli"
             },
-            "time": "2025-05-17T16:40:47+00:00"
+            "time": "2025-06-30T12:59:08+00:00"
         },
         {
             "name": "wp-cli/wp-config-transformer",
diff --git a/utils/make-phar.php b/utils/make-phar.php
index a88a4be02..38546a447 100644
--- a/utils/make-phar.php
+++ b/utils/make-phar.php
@@ -188,7 +188,7 @@ function get_composer_versions( $current_version ) {
 	->name( '/\.*.php8?/' )
 	->in( WP_CLI_ROOT . '/php' )
 	->in( WP_CLI_BUNDLE_ROOT . '/php' )
-	->in( WP_CLI_VENDOR_DIR . '/wp-cli/mustache' )
+	->in( WP_CLI_VENDOR_DIR . '/mustache/mustache' )
 	->in( WP_CLI_VENDOR_DIR . '/eftec/bladeone' )
 	->in( WP_CLI_ROOT . '/bundle/rmccue/requests' )
 	->in( WP_CLI_VENDOR_DIR . '/composer' )