diff --git a/src/Propagation/ServerTiming/src/ServerTimingPropagator.php b/src/Propagation/ServerTiming/src/ServerTimingPropagator.php
index abfb751cc..5cec81291 100644
--- a/src/Propagation/ServerTiming/src/ServerTimingPropagator.php
+++ b/src/Propagation/ServerTiming/src/ServerTimingPropagator.php
@@ -30,6 +30,10 @@ public function fields(): array
         ];
     }
 
+    /**
+     * @suppress PhanUndeclaredClassAttribute
+     */
+    #[\Override]
     public function inject(&$carrier, ?PropagationSetterInterface $setter = null, ?ContextInterface $context = null): void
     {
         $setter = $setter ?? ArrayAccessGetterSetter::getInstance();