diff --git a/stubs/Tideways.php b/stubs/Tideways.php
index cb6cd3f..6fb33dd 100644
--- a/stubs/Tideways.php
+++ b/stubs/Tideways.php
@@ -65,6 +65,12 @@ public static function setServiceName(string $serviceName): void {}
         public static function createSpan(string $category): Profiler\Span {}
 
         public static function generateServerTimingHeaderValue(): string {}
+
+        /** @since tideways 5.5.6 **/
+        public static function markPageCacheHit(): void {}
+        
+        /** @since tideways 5.5.6 **/
+        public static function markPageCacheMiss(): void {}
     }
 }