diff --git a/stubs/Php81.phpstub b/stubs/Php81.phpstub
index 97dd281e1d2..d3398388de4 100644
--- a/stubs/Php81.phpstub
+++ b/stubs/Php81.phpstub
@@ -56,6 +56,13 @@ namespace {
          */
         public function getBackingValue(): int|string;
     }
+
+    class ReflectionIntersectionType extends ReflectionType {
+        /**
+         * @return non-empty-list<ReflectionType>
+         */
+        public function getTypes() {}
+    }
 }
 
 namespace FTP {