diff --git a/app/main/views/user_profile.py b/app/main/views/user_profile.py
index 8aa8db858..a19ee96bb 100644
--- a/app/main/views/user_profile.py
+++ b/app/main/views/user_profile.py
@@ -240,7 +240,7 @@ def user_profile_security_keys():
     )
 
 
-@main.route("/user-profile/security-keys/<uuid:key_id>/manage", methods=['GET'])
+@main.route("/user-profile/security-keys/<uuid:key_id>/manage", methods=['GET', 'POST'])
 @user_is_platform_admin
 def user_profile_manage_security_key(key_id):
     security_keys = user_api_client.get_webauthn_credentials_for_user(current_user.id)
@@ -251,6 +251,14 @@ def user_profile_manage_security_key(key_id):
 
     form = ChangeNameOfSecurityKey(name_of_key=security_key["name"])
 
+    if form.validate_on_submit():
+        user_api_client.update_webauthn_credential_for_user(
+            user_id=current_user.id,
+            credential_id=key_id,
+            new_name_for_credential=form.name_of_key.data
+        )
+        return redirect(url_for('.user_profile_security_keys'))
+
     return render_template(
         'views/user-profile/manage-security-key.html',
         security_key=security_key,
diff --git a/app/notify_client/user_api_client.py b/app/notify_client/user_api_client.py
index df9a2ba47..5b54a785d 100644
--- a/app/notify_client/user_api_client.py
+++ b/app/notify_client/user_api_client.py
@@ -201,5 +201,10 @@ class UserApiClient(NotifyAdminAPIClient):
 
         return self.post(endpoint, data=credential.serialize())
 
+    def update_webauthn_credential_for_user(self, *, user_id, credential_id, new_name_for_credential):
+        endpoint = f'/user/{user_id}/webauthn/{credential_id}'
+
+        return self.post(endpoint, data={"name": new_name_for_credential})
+
 
 user_api_client = UserApiClient()
diff --git a/tests/app/main/views/test_user_profile.py b/tests/app/main/views/test_user_profile.py
index f33d27898..226cf46e6 100644
--- a/tests/app/main/views/test_user_profile.py
+++ b/tests/app/main/views/test_user_profile.py
@@ -425,3 +425,40 @@ def test_non_platform_admin_user_doesnt_see_manage_security_key_page(client_requ
         key_id=webauthn_credential['id'],
         _expected_status=403,
     )
+
+
+def test_should_redirect_after_change_of_security_key_name(
+    client_request,
+    platform_admin_user,
+    webauthn_credential,
+    webauthn_credential_2,
+    mocker
+):
+    client_request.login(platform_admin_user)
+
+    mocker.patch(
+        'app.user_api_client.get_webauthn_credentials_for_user',
+        return_value=[webauthn_credential, webauthn_credential_2],
+    )
+
+    mock_update = mocker.patch(
+        'app.user_api_client.update_webauthn_credential_for_user',
+        return_value=[webauthn_credential],
+    )
+
+    client_request.post(
+        'main.user_profile_manage_security_key',
+        key_id=webauthn_credential['id'],
+        _data={'name_of_key': "new name"},
+        _expected_status=302,
+        _expected_redirect=url_for(
+            'main.user_profile_security_keys',
+            _external=True,
+        )
+    )
+
+    mock_update.assert_called_once_with(
+        credential_id=webauthn_credential['id'],
+        new_name_for_credential="new name",
+        user_id=platform_admin_user["id"]
+    )