diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 10cf6236f..c4581244a 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -93,7 +93,7 @@ jobs:
       - name: Install GraphQL dependencies
         run: |
           composer --no-interaction --no-progress require \
-            webonyx/graphql-php:^15.12 \
+            webonyx/graphql-php:^14.8 \
             drupal/typed_data:^2.0 \
             drupal/redirect:dev-1.x
 
diff --git a/composer.json b/composer.json
index 063f35601..b1527772d 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
   "require": {
     "drupal/typed_data": "^1.0 || ^2.0",
     "php": ">=8.0",
-    "webonyx/graphql-php": "^15.12.0"
+    "webonyx/graphql-php": "^14.8.0"
   },
   "minimum-stability": "dev"
 }
diff --git a/tests/src/Kernel/DataProducer/DefaultValueTest.php b/tests/src/Kernel/DataProducer/DefaultValueTest.php
index 2185d2e7b..7e459e088 100644
--- a/tests/src/Kernel/DataProducer/DefaultValueTest.php
+++ b/tests/src/Kernel/DataProducer/DefaultValueTest.php
@@ -54,7 +54,7 @@ public function testLegacyDefaultValueSetting(bool $populate_setting, string $te
   /**
    * Data provider for the testLegacyDefaultValueSetting test.
    */
-  public function settingsProvider(): array {
+  public static function settingsProvider(): array {
     return [
       [FALSE, TestLegacyEntityLoad::class],
       [TRUE, TestNewEntityLoad::class],