diff --git a/COMPONENT_INDEX.md b/COMPONENT_INDEX.md
index 57db9c27dc..78306b8767 100644
--- a/COMPONENT_INDEX.md
+++ b/COMPONENT_INDEX.md
@@ -458,10 +458,10 @@ None.
 | :------------ | :------- | :--------------- | :------- | ----------------------------------------- | ------------------------------------------------ | ------------------------------------------------- |
 | ref           | No       | <code>let</code> | Yes      | <code>null &#124; HTMLInputElement</code> | <code>null</code>                                | Obtain a reference to the input HTML element      |
 | title         | No       | <code>let</code> | Yes      | <code>string</code>                       | <code>undefined</code>                           | Specify the title attribute for the label element |
+| indeterminate | No       | <code>let</code> | Yes      | <code>boolean</code>                      | <code>false</code>                               | Specify whether the checkbox is indeterminate     |
 | group         | No       | <code>let</code> | Yes      | <code>ReadonlyArray<any></code>           | <code>undefined</code>                           | Specify the bound group                           |
 | checked       | No       | <code>let</code> | Yes      | <code>boolean</code>                      | <code>false</code>                               | Specify whether the checkbox is checked           |
 | value         | No       | <code>let</code> | No       | <code>any</code>                          | <code>""</code>                                  | Specify the value of the checkbox                 |
-| indeterminate | No       | <code>let</code> | No       | <code>boolean</code>                      | <code>false</code>                               | Specify whether the checkbox is indeterminate     |
 | skeleton      | No       | <code>let</code> | No       | <code>boolean</code>                      | <code>false</code>                               | Set to `true` to display the skeleton state       |
 | required      | No       | <code>let</code> | No       | <code>boolean</code>                      | <code>false</code>                               | Set to `true` to mark the field as required       |
 | readonly      | No       | <code>let</code> | No       | <code>boolean</code>                      | <code>false</code>                               | Set to `true` for the checkbox to be read-only    |
diff --git a/docs/src/COMPONENT_API.json b/docs/src/COMPONENT_API.json
index bcf861efb2..0f8d88fd77 100644
--- a/docs/src/COMPONENT_API.json
+++ b/docs/src/COMPONENT_API.json
@@ -787,7 +787,7 @@
           "isFunctionDeclaration": false,
           "isRequired": false,
           "constant": false,
-          "reactive": false
+          "reactive": true
         },
         {
           "name": "skeleton",
diff --git a/src/Checkbox/Checkbox.svelte b/src/Checkbox/Checkbox.svelte
index 5dc43b19ee..7e134c7656 100644
--- a/src/Checkbox/Checkbox.svelte
+++ b/src/Checkbox/Checkbox.svelte
@@ -97,7 +97,7 @@
       checked="{checked}"
       disabled="{disabled}"
       id="{id}"
-      indeterminate="{indeterminate}"
+      bind:indeterminate
       name="{name}"
       required="{required}"
       readonly="{readonly}"