diff --git a/meta/libraries.json b/meta/libraries.json
index 0eec77cc..f74c7ff3 100644
--- a/meta/libraries.json
+++ b/meta/libraries.json
@@ -5,7 +5,8 @@
         "Daniel James"
     ],
     "maintainers": [
-        "Christian Mazakas <christian.mazakas -at- gmail.com>"
+        "Christian Mazakas <christian.mazakas -at- gmail.com>",
+        "Joaquín M López Muñoz <joaquin.lopezmunoz -at- gmail.com>"
     ],
     "description": "Unordered associative containers.",
     "category": [