diff --git a/meta/libraries.json b/meta/libraries.json
index 97fcb65..03402b8 100644
--- a/meta/libraries.json
+++ b/meta/libraries.json
@@ -15,4 +15,5 @@
     "maintainers": [
         "John Maddock <john -at- johnmaddock.co.uk>"
     ]
+    "cxxstd": "03"
 }