diff --git a/src/Calendar/EventLabel.php b/src/Calendar/EventLabel.php
new file mode 100644
index 00000000000..a67ed8872a6
--- /dev/null
+++ b/src/Calendar/EventLabel.php
@@ -0,0 +1,25 @@
+<?php
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+namespace Google\Service\Calendar;
+
+class EventLabel extends \Google\Model
+{
+}
+
+// Adding a class alias for backwards compatibility with the previous class name.
+class_alias(EventLabel::class, 'Google_Service_Calendar_EventLabel');
diff --git a/src/Calendar/LabelProperties.php b/src/Calendar/LabelProperties.php
new file mode 100644
index 00000000000..2580129f1a4
--- /dev/null
+++ b/src/Calendar/LabelProperties.php
@@ -0,0 +1,25 @@
+<?php
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+namespace Google\Service\Calendar;
+
+class LabelProperties extends \Google\Model
+{
+}
+
+// Adding a class alias for backwards compatibility with the previous class name.
+class_alias(LabelProperties::class, 'Google_Service_Calendar_LabelProperties');