diff --git a/composer.json b/composer.json
index 2662e6a..66e43e8 100644
--- a/composer.json
+++ b/composer.json
@@ -8,8 +8,8 @@
     },
     "license": "GPL-2.0-or-later",
     "require": {
-        "drupal/core": "^8.8.4 || ^9",
-        "sabberworm/php-css-parser": "^8.0"
+        "sabberworm/php-css-parser": "^8.0",
+        "drupal/core": "^8.8.4 || ^9 || ^10"
     },
     "require-dev": {
         "drupal/codemirror_editor": "^1.0"
diff --git a/field_css.info.yml b/field_css.info.yml
index 0234cf2..9c281d7 100644
--- a/field_css.info.yml
+++ b/field_css.info.yml
@@ -2,7 +2,7 @@ name: Field CSS
 type: module
 description: Provides a field that allows for the input of CSS.
 package: Field types
-core_version_requirement: ^8.8.4 || ^9
+core_version_requirement: ^8.8.4 || ^9 || ^10
 dependencies:
   - drupal:field
 test_dependencies: