diff --git a/meta/libraries.json b/meta/libraries.json
index 1bc20a8..98401b1 100644
--- a/meta/libraries.json
+++ b/meta/libraries.json
@@ -10,5 +10,6 @@
     ],
     "maintainers": [
         "Ion Gaztanaga <igaztanaga -at- gmail.com>"
-    ]
+    ],
+    "cxxstd": "03"
 }