diff --git a/addons/api/addon/models/account.js b/addons/api/addon/models/account.js
index 874b88ec4..b28558732 100644
--- a/addons/api/addon/models/account.js
+++ b/addons/api/addon/models/account.js
@@ -31,4 +31,28 @@ export default class AccountModel extends GeneratedAccountModel {
       },
     });
   }
+
+  /**
+   * Update account password via the `change-password` method.
+   * See serializer and adapter for more information.
+   * @param {string} currentPassword
+   * @param {string} newPassword
+   * @param {object} options
+   * @param {object} options.adapterOptions
+   * @return {Promise}
+   */
+  changePassword(currentPassword, newPassword, options = { adapterOptions: {} }) {
+    const defaultAdapterOptions = {
+      method: 'change-password',
+      currentPassword,
+      newPassword,
+    };
+    return this.save({
+      ...options,
+      adapterOptions: {
+        ...defaultAdapterOptions,
+        ...options.adapterOptions,
+      },
+    });
+  }
 }
diff --git a/addons/api/addon/serializers/account.js b/addons/api/addon/serializers/account.js
index a24def72e..416bc488e 100644
--- a/addons/api/addon/serializers/account.js
+++ b/addons/api/addon/serializers/account.js
@@ -20,6 +20,11 @@ export default class AccountSerializer extends ApplicationSerializer {
     if (snapshot?.adapterOptions?.method === 'set-password') {
       serialized = this.serializeForSetPassword(snapshot, password);
     }
+    if (snapshot?.adapterOptions?.method === 'change-password') {
+      const { currentPassword, newPassword } = snapshot?.adapterOptions;
+      serialized =
+        this.serializeForChangePassword(snapshot, currentPassword, newPassword);
+    }
     return serialized;
   }
 
@@ -35,4 +40,19 @@ export default class AccountSerializer extends ApplicationSerializer {
       password,
     };
   }
+
+  /**
+   * Returns a payload containing current and new passwords.
+   * @param {Snapshot} snapshot
+   * @param {string} current_password
+   * @param {string} new_password
+   * @return {object}
+   */
+  serializeForChangePassword(snapshot, current_password, new_password) {
+    return {
+      version: snapshot.attr('version'),
+      current_password,
+      new_password,
+    };
+  }
 }
diff --git a/addons/api/tests/unit/serializers/account-test.js b/addons/api/tests/unit/serializers/account-test.js
index a94bf28f6..4d5646e08 100644
--- a/addons/api/tests/unit/serializers/account-test.js
+++ b/addons/api/tests/unit/serializers/account-test.js
@@ -94,4 +94,32 @@ module('Unit | Serializer | account', function (hooks) {
       version: 1,
     });
   });
+
+  test('it serializes a custom payload when `adapterOptions.method` is set to `change-password`', function (assert) {
+    assert.expect(1);
+    const store = this.owner.lookup('service:store');
+    const serializer = store.serializerFor('account');
+    const record = store.createRecord('account', {
+      type: 'password',
+      name: 'Name',
+      description: 'Description',
+      attributes: {
+        login_name: 'Login Name',
+      },
+      auth_method_id: '1',
+      version: 1,
+    });
+    const snapshot = record._createSnapshot();
+    snapshot.adapterOptions = {
+      method: 'change-password',
+      currentPassword: 'Current',
+      newPassword: 'New',
+    };
+    const serializedRecord = serializer.serialize(snapshot);
+    assert.deepEqual(serializedRecord, {
+      current_password: 'Current',
+      new_password: 'New',
+      version: 1,
+    });
+  });
 });