diff --git a/lib/private/App/CodeChecker/DeprecationCheck.php b/lib/private/App/CodeChecker/DeprecationCheck.php
index 518ab1ec3807892abf5030d599095acd98086d6f..e672038f34713a6847351fe54fd38da0b82573ba 100644
--- a/lib/private/App/CodeChecker/DeprecationCheck.php
+++ b/lib/private/App/CodeChecker/DeprecationCheck.php
@@ -38,6 +38,7 @@ class DeprecationCheck extends AbstractCheck {
 		return [
 			'OC_JSON' => '8.2.0',
 
+			'OCP\API' => '9.1.0',
 			'OCP\Contacts' => '8.1.0',
 			'OCP\DB' => '8.1.0',
 			'OCP\JSON' => '8.1.0',
@@ -55,6 +56,15 @@ class DeprecationCheck extends AbstractCheck {
 	 */
 	protected function getLocalConstants() {
 		return [
+			'OCP\API::GUEST_AUTH' => '9.1.0',
+			'OCP\API::USER_AUTH' => '9.1.0',
+			'OCP\API::SUBADMIN_AUTH' => '9.1.0',
+			'OCP\API::ADMIN_AUTH' => '9.1.0',
+			'OCP\API::RESPOND_UNAUTHORISED' => '9.1.0',
+			'OCP\API::RESPOND_SERVER_ERROR' => '9.1.0',
+			'OCP\API::RESPOND_NOT_FOUND' => '9.1.0',
+			'OCP\API::RESPOND_UNKNOWN_ERROR' => '9.1.0',
+
 			'OC_API::GUEST_AUTH' => '8.2.0',
 			'OC_API::USER_AUTH' => '8.2.0',
 			'OC_API::SUBADMIN_AUTH' => '8.2.0',