diff --git a/core/tests/Drupal/Tests/Core/Theme/ClassyPreprocessUnchangedTest.php b/core/tests/Drupal/Tests/Core/Theme/ClassyPreprocessUnchangedTest.php
index d9957e0394857f7804cf2a7b50c838e6e8d04336..ae74168497f4b00455480e97bdaa7dc9ed762191 100644
--- a/core/tests/Drupal/Tests/Core/Theme/ClassyPreprocessUnchangedTest.php
+++ b/core/tests/Drupal/Tests/Core/Theme/ClassyPreprocessUnchangedTest.php
@@ -25,7 +25,7 @@ class ClassyPreprocessUnchangedTest extends UnitTestCase {
   public function testNoNewPreprocess() {
     $classy_theme_contents = file_get_contents($this->root . '/core/themes/classy/classy.theme');
     $hash = md5($classy_theme_contents);
-    $this->assertSame($hash, 'c42ff3a1291a258b42f0c44010cd28c7', "The file hash for classy.theme has changed. Any additions or changes to preprocess functions should be added to the themes that inherit Classy. \nIf the changes to classy.theme are not changes to preprocess functions, update the hash in this test to: '$hash' so it will pass.");
+    $this->assertSame('1a5f162bc900c45957aaa89959bcb607', $hash, "The file hash for classy.theme has changed. Any additions or changes to preprocess functions should be added to the themes that inherit Classy. \nIf the changes to classy.theme are not changes to preprocess functions, update the hash in this test to: '$hash' so it will pass.");
   }
 
 }