diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index ac7807a8a5d5179758c02f6c454b1d944c93b7b8..badf988d17292112114bc836756cd45b71eb56af 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,6 +1,7 @@
 
 Libraries 8.x-3.x, xxxx-xx-xx
 -----------------------------
+#2572401 by rjacobs, yas: Fix missing @group annotation in PhpFileLibraryTest
 #2090623 by tstoeckler: Add a test for PHP file loading
 #2090623 by tstoeckler: Provide a modern, flexible library API
 #2525898 by rjacobs, jonhattan: Fix obsoleted cache bin declaration.
diff --git a/tests/src/Kernel/ExternalLibrary/PhpFile/PhpFileLibraryTest.php b/tests/src/Kernel/ExternalLibrary/PhpFile/PhpFileLibraryTest.php
index d9beb90003744821b3ec1a2f350ba0a408f81019..3fba39f82e9ee57f11ac2db2fab01f2eae8230f6 100644
--- a/tests/src/Kernel/ExternalLibrary/PhpFile/PhpFileLibraryTest.php
+++ b/tests/src/Kernel/ExternalLibrary/PhpFile/PhpFileLibraryTest.php
@@ -14,6 +14,8 @@ use Drupal\Tests\libraries\Kernel\KernelTestBase;
 
 /**
  * Tests that the external library manager properly loads PHP file libraries.
+ *
+ * @group libraries
  */
 class PhpFileLibraryTest extends KernelTestBase {