diff --git a/composer.json b/composer.json
index acfd3bf..d99ee3f 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
         "source": "https://git.drupalcode.org/project/css_toggle_switch"
     },
     "require": {
-        "drupal/core": "^9.3 || ^10"
+        "drupal/core": "^9.3 || ^10 || ^11"
     },
     "suggest": {
         "drupal/better_exposed_filters": "^6.0",
diff --git a/css_toggle_switch.info.yml b/css_toggle_switch.info.yml
index dc8acd8..fce9046 100644
--- a/css_toggle_switch.info.yml
+++ b/css_toggle_switch.info.yml
@@ -1,5 +1,5 @@
 name: CSS Toggle Switch
 description: Accessible, CSS-only, toggle switches form elements.
 package: Field
-core_version_requirement: ^9 || ^10
+core_version_requirement: ^9 || ^10 || ^11
 type: module