diff --git a/tests/apps/php/composer.lock b/tests/apps/php/composer.lock
index 42621ac2749..90a22d6e32f 100644
--- a/tests/apps/php/composer.lock
+++ b/tests/apps/php/composer.lock
@@ -1001,16 +1001,16 @@
     "packages-dev": [
         {
             "name": "heroku/heroku-buildpack-php",
-            "version": "v220",
+            "version": "v221",
             "source": {
                 "type": "git",
                 "url": "https://github.com/heroku/heroku-buildpack-php.git",
-                "reference": "af0935921c10dc7d2d2f41b06c0a66c89102d8dd"
+                "reference": "4484eaefa00f3b58092da05dfc4fe38ce71bd9cd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/heroku/heroku-buildpack-php/zipball/af0935921c10dc7d2d2f41b06c0a66c89102d8dd",
-                "reference": "af0935921c10dc7d2d2f41b06c0a66c89102d8dd",
+                "url": "https://api.github.com/repos/heroku/heroku-buildpack-php/zipball/4484eaefa00f3b58092da05dfc4fe38ce71bd9cd",
+                "reference": "4484eaefa00f3b58092da05dfc4fe38ce71bd9cd",
                 "shasum": ""
             },
             "bin": [
@@ -1038,7 +1038,7 @@
                 "nginx",
                 "php"
             ],
-            "time": "2022-06-15T15:34:32+00:00"
+            "time": "2022-07-01T19:03:46+00:00"
         }
     ],
     "aliases": [],