diff --git a/meta/libraries.json b/meta/libraries.json
index 6d0bd32..78c4323 100644
--- a/meta/libraries.json
+++ b/meta/libraries.json
@@ -12,5 +12,6 @@
     ],
     "maintainers": [
         "John Maddock <john -at- johnmaddock.co.uk>"
-    ]
+    ],
+    "cxxstd": "03"
 }