diff --git a/composer.json b/composer.json
index 23290ae62271414f4a68a91264813f42fc34b0a7..dd42012948f2a272a7cbe699d4037001a0064ea9 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
         }
     ],
     "require": {
-        "drupal/core": "^9"
+        "drupal/core": "^9 || ^10"
     },
     "require-dev": {
         "drupal/coder": "^8.3",
diff --git a/jsonapi_image_styles.info.yml b/jsonapi_image_styles.info.yml
index fa661a8dc6ad5e79e099f4f077b9cdaa64a70e73..1885443b3415df757d53f3146302522fe12002fa 100644
--- a/jsonapi_image_styles.info.yml
+++ b/jsonapi_image_styles.info.yml
@@ -1,7 +1,7 @@
 name: 'JSON:API Image Styles'
 type: module
 description: 'Expose image styles to JSON:API'
-core_version_requirement: ^9
+core_version_requirement: ^9 || ^10
 package: 'Web services'
 dependencies:
   - drupal:jsonapi
diff --git a/tests/src/Functional/JsonApiImageStylesFunctionalTestBase.php b/tests/src/Functional/JsonApiImageStylesFunctionalTestBase.php
index 66e8665c62a50c71a3abfa37269265a637e7d693..f2f9c4535f5878d4e6cb654d53512d9f3c4a069c 100644
--- a/tests/src/Functional/JsonApiImageStylesFunctionalTestBase.php
+++ b/tests/src/Functional/JsonApiImageStylesFunctionalTestBase.php
@@ -21,7 +21,7 @@ abstract class JsonApiImageStylesFunctionalTestBase extends JsonApiFunctionalTes
   /**
    * {@inheritdoc}
    */
-  protected function setUp() {
+  protected function setUp(): void {
     parent::setUp();
     $config = \Drupal::configFactory()->getEditable('jsonapi_image_styles.settings');
     $config->set('image_styles', [