diff --git a/src/Config/RectorConfig.php b/src/Config/RectorConfig.php
index 384869e3faa..885995da96f 100644
--- a/src/Config/RectorConfig.php
+++ b/src/Config/RectorConfig.php
@@ -607,6 +607,18 @@ public function editorUrl(string $editorUrl): void
         SimpleParameterProvider::setParameter(Option::EDITOR_URL, $editorUrl);
     }
 
+    /**
+     * Backward-compatibility no-op. The former illuminate/container exposed tag()/tagged();
+     * the entropy container discovers services by contract, so tagging is not needed.
+     *
+     * @deprecated Tagging is no longer used, services are discovered by contract. The call is ignored.
+     * @param string|string[] $abstracts
+     * @param string|string[] $tags
+     */
+    public function tag(array|string $abstracts, array|string $tags): void
+    {
+    }
+
     /**
      * @internal Used only for bridge
      * @return array<class-string<ConfigurableRectorInterface>, mixed>